Science Periodic Table Review

Question 1

Proton equal the number of ____________ in an atom.

Answer 1

ELECTRONS!

*Protons equal the same number as electrons

Question 2

Define isotopes

Answer 2

Atoms of the same element that have the same number of protons but different numbers of neutrons

Question 3

Define ionic bond

Answer 3

The bonding that involves a transfer of electrons

Question 4

What is lithium’s valence number (electrons)?

Answer 4

1

Question 5

Elements are made up of one type of _________.

Answer 5

Atom

Question 6

Define metalloid

Answer 6

An element that conducts electric current better than a nonmetal but as well as a metal. (In the middle of nonmetals and metals)

Question 7

What is the valence number if a atom?

Answer 7

The number of electrons of the outermost energy level

Question 8

What makes an atom neutral?

Answer 8

When both protons and electrons are the same number (equal)

Question 9

Define molecule. Give an example.

Answer 9

When a group of atoms are bonded together.

An example would be water.

Question 10

What accepts electrons, has a negative valence, and are on the right side of the periodic table?

Answer 10

Non-metals

Question 11

What family has a full outer shell?

Answer 11

Noble gases

Question 12

Chlorine - which element has similar properties to it?

Answer 12

Fluorine, Bromine, Iodine, and Astatine. (All are in the halogen family)

Question 13

Define compound

Answer 13

When combining two elements together, you get a compound.

Question 14

Elements in the same family or group have the same ___________ ____________

Answer 14

Bonding Electrons

Question 15

Define covalent bond.

Answer 15

Bonding in which electrons are shared.

Question 16

Why don’t electrons leave the atom?

Answer 16

Because electrons are negative and protons are positive - they go together

Question 17

Hydrogen and sodium are members of which family?

Answer 17

Alkali ( |A)

Question 18

How many electrons are in the outer energy level of the halogen, alkali - metal, and noble gases family?

Answer 18

Halogen-> 7

Alkali-metal-> 1

Noble gases-> 8

Question 19

Where do you see similarities between elements, in families/groups or periods?

Answer 19

Families/groups

Question 20

What property determines how atoms combine to form a compound?

Answer 20

Balance electrons

Question 21

What do you call a charged atom?

Answer 21

Ion

*Remember, Ions are charged atoms, protons are POSITIVELY charged atoms)

Question 22

What family had 7 balance electrons?

Answer 22

Alkaline

Question 23

What family are ALL gases?

Answer 23

Noble gases

Question 24

What family is considered inert?

Answer 24

Noble gases

Question 25

Silver is found where on the periodic table?

Answer 25

Transition metals

Question 26

Potassium Bromide

Answer 26

KBr * 1+ 1- K Br = KBr

Question 27

Sodium Chloride

Answer 27

NaCl * 1+ 1- Na Cl =. NaCl

Question 28

Which element had similar properties to sulfur?

Answer 28

Oxygen, Selenium, Tellurium, and Polonium | All sort of the Oxygen Family

Question 29

Which family gains 1 electron?

Answer 29

Halogens (V||A)

Question 30

Which family will lose 1 electron?

Answer 30

Alkali (|A)

Question 31

List all the families in order.

Answer 31

Alkali (|A) Alkaline (||A) Boron (|||A) Carbon (|VA) Nitrogen (VA) Oxygen (V|A) Halogens (V||A) Noble Gases (V|||A)

Question 32

Metals or Non-metals - Which tend to gain electrons?

Answer 32

Non-metals

Question 33

All members of the Boron family have ____ electrons in the outermost energy level.

Answer 33

3

Question 34

What family is Lithium in?

Answer 34

Alkali (|A)

Question 35

What do you call the 2 rows under the periodic table?

Answer 35

Non- Earth-metals ( The lanthanide and Actinide series)

Question 36

Which type of element tend to “gain” electrons? “Lose” electrons?

Answer 36

Gain- Non-metals Lose- Metals

Question 37

What family has 2 valence electrons? 1 valence electron?

Answer 37

Alkaline (||A), and Alkali (|A)

Question 38

What is a valence electron?

Answer 38

The number of electrons in the outermost energy level.

Question 39

Bromine and chlorine are in what family?

Answer 39

Halogens

Question 40

List 3 transition metals.

Answer 40

Gold, Silver, and Copper ( family |B)

Question 41

Where is uranium located on the periodic table?

Answer 41

In the Actinide Series

Question 42

What makes an atom neutral?

Answer 42

When protons equal electrons.

Question 43

When a metal combines with a halogen, what kind of compound is formed?

Answer 43

It forms a salt compound.

Question 44

Elements in the same _________ have similar characteristics or properties.

Answer 44

Family