Chemistry Quiz 1

Question 1

The elements or ingredients of something.

Answer 1

“Composition”

Question 2

The smallest type of substance.

Answer 2

“Element”

Question 3

An Attribute, Quality, or a Characteristic that can distinguish an object, there are many physical properties.

Answer 3

“Property”

Question 4

Particles that consist of two or more atoms joined together.

Answer 4

“Molecules”

Question 5

The emission of radiation and particles from atoms.

Answer 5

“Radioactivity”

Question 6

The emission of high energy light from a radioactive atom.

Answer 6

“Gamma Radiation”

Question 7

The emission of an electron from a radioactive atom.

Answer 7

“Beta Radiation”

Question 8

The emission of a positively charged particle from a radioactive atom.

Answer 8

“Alpha Radiation”

Question 9

Charges in an atom cancel out evenly at every position.

Answer 9

“Tomson’s Plum Pudding Model”

Question 10

Particles smaller than an atom.

Answer 10

“Subatomic Particles”

Question 11

A subatomic particle with neutral charge.

Answer 11

“Neutron”

Question 12

A regular and predictable variation in a property across a series.

Answer 12

“Periodicity”

Question 13

A column of the elements on the periodic table that goes vertical.

Answer 13

“Group”

Question 14

A row on the periodic table that goes horizontal.

Answer 14

“Period”

Question 15

Short-hand abbreviation for the elements name.

Answer 15

“Atomic Symbol”

Question 16

The number of protons in the nucleus.

Answer 16

“Atomic Number”

Question 17

The average mass of the atoms in the element.

Answer 17

“Atomic Weight”

Question 18

The mass of one particular atom = to the number of protons + number of neutrons in the nucleus.

Answer 18

“Atomic Mass”

Question 19

Atoms of the same element having a different number of neutrons.

Answer 19

“Isotopes”

Question 20

Solid at room temperature, shiny, good conductors of heat and electricity, malleable, and ductile.

Answer 20

“Metals”

Question 21

Are usually poor conductors of heat and electricity, not malleable or ductile. They vary from glasses, liquids, and solids at room temperature.

Answer 21

“Non-Metals”

Question 22

In between metals and nonmetals.

Hydrogen, Carbin, Nitrogen, and Oxygen make up at least 95% of the mass of matter.

Answer 22

“Metalloids”

Question 23

How much of an element is present on earth.

Answer 23

“Natural Abundance”

Question 24

Half the width of an atom.

Answer 24

“Atomic Radius”

Question 25

Group 1 on the periodic table

Answer 25

“Alkali Metals”

Question 26

Group 2 on the periodic table

Answer 26

“Alkali Earth Metals”

Question 27

Group 17 on the periodic table

Answer 27

“Halogens”

Question 28

Group 18 on the periodic table

Answer 28

“Noble Gases”

Question 29

An atom or group of atoms that is positively or negatively charged as a result of gaining or losing electrons.

Answer 29

“ION”

Question 30

Positively charged ions.

Answer 30

“Cations”

Question 31

Negatively charged ions.

Answer 31

“Anions”

Question 32

The connection that forms a result of attraction between positively and negatively charged ions.

Answer 32

“Ionic Bonding”

Question 33

The process by which an atom or molecule gains a positive or negative by losing or gaining electrons.

Answer 33

“Ionization”

Question 34

Compounds that form as a result of positive or negative ions being held together by an ionic bond.

Answer 34

“Ionic Compounds”

Question 35

A group of ions that carry a charge.

Answer 35

“Polyatomic ion”

Question 36

Compounds formed when atoms are connected by covalent bonds.

Answer 36

“Covalent Compounds”

Question 37

The sharing of electrons between two atoms.

Answer 37

“Covalent Bonds”

Question 38

The sum of the atomic weights of the atoms in the molecule.

Answer 38

“Molecular Weight”

Question 39

A pair of valence electrons that are not shared with another atom.

Answer 39

“Lone Pairs”

Question 40

A way to draw molecules when covalent bonds are drawn as lines, and lone pairs are drawn as dots.

Answer 40

“Lewis Structure”