Chapter 1

Question 0

Atomic #

Answer 0

The top # which has protons

Question 1

Atomic Mass

Answer 1

Wieghted average mass of the isotopes of an element

Question 2

Compound

Answer 2

Substance whose smallest unit is made up of atoms of more than 1 element

Question 3

Electron

Answer 3

A negatively charged particle

Question 4

Electron cloud

Answer 4

Region sorrounding the nucleus which the electrons move about

Question 5

Element

Answer 5

Matter that is only 1 kind of atom

Question 6

Isotope

Answer 6

Atoms of the same element that have different # of neutrons

Question 7

Mass#

Answer 7

The number of protons plus neutrons in the nucleus

Question 8

Metal

Answer 8

Elements that have a shiny or metallic luster and are good conductors of heat & electricity

Question 9

Metalloids

Answer 9

Elements that have characteristics of both metals & nonmetals

Question 10

Mixture

Answer 10

When 2 or more substances come together but don’t combine to make a new substance

Question 11

Neutron

Answer 11

Same mass as a proton and is electrically neutral

Question 12

Nonmetal

Answer 12

Elements that are dull in appearance and make up 97% of our bodies

Question 13

Proton

Answer 13

Positively charged particle

Question 14

Substance

Answer 14

Same properties and composition throughout