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Science 8 Sandbox > Periodic Table (QUIZ 2) > Flashcards

Periodic Table (QUIZ 2) Flashcards

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1
Q

Which statement is true about a chemical reaction?

A) The physical states of the atoms in the reactants determine the products.

B) Some of the atoms in the reactants will be a part of the products.

C) The number of atoms in the reactants determines the products.

D) All of the atoms in the reactants will be a part of the products.

A

D) All of the atoms in the reactants will be a part of the products.

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2
Q

Which best describes the sequence of the elements in Period 5 of the periodic table?

A) highly reactive gases, relatively nonreactive metals, metalloids, very nonreactive gases, nonreactive nonmetals

B) highly reactive metals, relatively nonreactive metals, metalloids, reactive nonmetals, nonreactive gases

C) nonreactive gases, metalloids, nonreactive metals, highly reactive metals, highly reactive gases

D) nonreactive gases, nonreactive metals, highly reactive metals, metalloids, reactive nonmetals, reactive gases

A

B) highly reactive metals, relatively nonreactive metals, metalloids, reactive nonmetals, nonreactive gases

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3
Q

Given the lists of elements, which of them are the Halogens?

A) He, Ne, Ar
B) Li, Na, K
C) Ti, Cr, Mn
D) F, Cl, Br

A

D) F, Cl, Br

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4
Q

Which of the following elements is a yellow, solid, non-metal at standard temperature and pressure?

A) tin
B) carbon
C) sulfur
D) chromium

A

C) sulfur

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5
Q

Caesium is below potassium in the Periodic Table. Compared to potassium, this means caesium will?

A) not have to be stored under oil
B) corrode less quickly
C) be higher melting
D) be more reactive

A

D) be more reactive - reactivity increases down a group

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6
Q

Which statement is TRUE about the modern PERIODIC TABLE?

A) the elements are laid out in order of relative atomic mass

B) most elements are metals

C) from left to right, elements in the same period, use an increasing number of electron shells (energy levels)

D) elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group

A

B) most elements are metals

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7
Q

The chemical symbol for manganese is

A) Mn

B) Ma

C) Ga

D) Mg

A

B) Mn

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8
Q

Which of the following is a noble gas?

A) nitrogen

B) chlorine

C) xenon

D) fluorine

A

C) xenon

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9
Q

Which statement is true.

A) Silicon is a very common element.

B) Chlorine and iodine have similar properties.

C) Phosphorus and nitrogen have very different properties.

D) Arsenic has 85 protons in its nucleus.

A

B) Chlorine and iodine have similar properties.

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10
Q

Groups (families) are _____.

A) Vertical columns on the periodic table.

B) Horizontal rows on the periodic table.

C) Another name for the periodic table.

D) Diagonal lines through the periodic table.

A

A) Vertical columns on the periodic table.

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11
Q

Periods are _____.

A) horizontal rows on the periodic table.

B) diagonal lines through the periodic table.

C) vertical columns on the periodic table.

D) another name for the periodic table.

A

A) horizontal rows on the periodic table.

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12
Q

From an element’s location on the periodic table, chemists can predict

A) its physical and chemical properties

B) its chemical name

C) its chemical symbol

D) its common name

A

A) its chemical properties

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13
Q

Which of the following is a true statement about metal elements?

A) Metals are often good semiconductors.

B) Metals are malleable.

C) Metals are low-density materials.

D) Metals have low melting points.

A

B) Metals are malleable.

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14
Q

Which of the following is true of the elements of groups of the periodic table?

A) The elements share the same number of electron shells.

B) The elements are arranged by decreasing atomic mass.

C) The elements share similar properties.

D) The elements are in the same phase of matter.

A

C) The elements share similar properties.

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15
Q

Which of the following is NOT true of periods of the periodic table?

A) The atomic number increases from left to right across a period.

B) The atomic mass increases from left to right across a period.

C) The number of valence electrons increases from left to right across a period.

D) The metallic properties of elements increase from left to right across a period.

A

D) The metallic properties of elements increase from left to right across a period.

Metallic properties decrease from left to right.

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16
Q

Where are the most reactive metals found in the periodic table?

A) Group 1

B) Group 2

C) Group 17

D) Group 18

A

A) Group 1

Group 17 and 18 are nonmetals.

17
Q

How many valence electrons does argon have?

A) 4

B) 5

C) 6

D) 7

E) 8

A

E) 8

18
Q

Which group has the most reactive nonmetals?

A) alkali earth metals

B) alkali metals

C) halogens

D) noble gases

A

C) halogens

19
Q

_____ would have some characteristics of metals and some characteristics of nonmetals.

A) gold

B) sodium

C) arsenic

D) bismuth

A

C) arsenic

20
Q

What is the atomic number, atomic mass, and chemical symbol of carbon?

A) 12.011, 6, C

B) 6, 12.011, C

C) 63.546, 29, Cu

D) 29, 63.546, Cu

A

B) 6, 12.011, C

21
Q

What category of elements occupies most of the periodic table?

A) metals

B) non-metals

C) metalloids

D) man made

A

A) metals

22
Q

_____ is a metal that is liquid at room temperature.

A) platinum

B) water

C) tin

D) mercury

A

D) mercury

23
Q

How many valence electrons does carbon have?

A) 2

B) 4

C) 6

D) 12

A

B) 4

Carbon belongs to group 14 and has 4 valence electrons.

24
Q

Which of the following is NOT an alkali earth metal?

A) hydrogen

B) lithium

C) sodium

D) potassium

E) none of the above

A

A) hydrogen

25
Q

Who invented the Periodic Table?

A) Mendeleev

B) Lewis

C) Bohr

D) Democritus

A

A) Mendeleev

26
Q

Which element is found in group 16 period 3?

A) sulfur

B) chlorine

C) selenium

D) carbon

A

A) sulfur

27
Q

Which element is found in period 3 group 2?

A) sodium

B) magnesium

C) boron

D) aluminum

A

B) magnesium

28
Q

Which is a halogen?

A) helium

B) oxygen

C) chlorine

D) neptune

A

C) chlorine

29
Q

Which of the following will have a larger radius than zinc?

A) aluminum

B) magnesium

C) strontium (Sr)

D) gallium (Ga)

A

C) strontium (Sr)

30
Q

As you move down a group, the atomic radius increases because_____.

A) the number of neutrons increases

B) the number of protons increases

C) atomic mass increases

D) more shells (energy levels) are added

A

D) more shells (energy levels) are added

31
Q

The atomic radius is the distance between the center of the nucleus and the outer edge of the electron cloud. In general, as you move left to right across a period, the atomic radius ____.

A) increases, since the attraction between the nucleus and the electrons increases.

B) increases, since the attraction between the nucleus and the electrons decreases.

C) decreases, since the attraction between the nucleus and the electrons increases.

D) decreases, since the attraction between the nucleus and the electrons decreases.

A

C) decreases, since the attraction between the nucleus and the electrons increases.

32
Q

Which state is TRUE?

A) Most metals are magnetic.

B) There are about 1000 different elements in the Periodic Table

C) There are few liquid elements at room temperature and pressure

D) Most elements are non-metals.

A

C) There are few liquid elements at room temperature and pressure

33
Q

Which statement is TRUE about the Periodic Table of Elements?

A) about ¼ are non-metals

B) all non-metals are on the left

C) about ½ of the elements are metals

D) metals are mostly in the middle and on the right

A

A) about ¼ are non-metals

34
Q

Which two words describe magnesium at room temperature?

A) liquid, element

B) liquid, mixture

C) solid, element

D) gas, mixture

A

C) solid, element

35
Q

_____ is the most reactive element known - so reactive that asbestos, water, and silicon burst into flames in its presence. It’s used in the manufacture of Teflon (non-stick lining on cookware), and freon used in refrigerators.

A) lithium

B) fluorine

C) magnesium

D) oxygen

A

B) fluorine

36
Q

As you move down the periodic table atoms get bigger. This is because _____.

A) The atoms have more mass.

B) The atoms have more energy levels.

C) The atoms have more protons.

D) The atoms have more neutrons.

A

B) The atoms have more energy levels.

37
Q

As you move down the first group, reactivity _____.

A) increases

B) decreases

C) stays the same

A

A) increases

38
Q

Which two groups on the Periodic Table are most reactive?

A) Group 1 and Group 17

B) Group 13 and Group 15

C) Group 2 and Group 16

D) Group 17 and Group 18

A

A) Group 1 and Group 17

39
Q

How would you describe reactivity on the Periodic Table?

A) Elements in the same period tend to react.

B) Elements on opposite sides of the table tend to react.

C) Elements in the same group tend to react.

D) All elements are inert.

A

B) Elements on opposite sides of the table tend to react.

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