2.1 – Atoms, Ions, And Molecules

Question 0

living things consist of Atoms of different_

Answer 0

elements

Question 1

all living things are based on_and their interactions

Answer 1

Atoms

Question 2

on_is the smallest basic unit of matter

Answer 2

atom

Question 3

_Is one type of atom

Answer 3

element

Question 4

on_has a nucleus and electrons

Answer 4

Atom

Question 5

the_has protons and neutrons

Answer 5

nucleus

Question 6

the_are energy levels outside the nucleus

Answer 6

electrons

Question 7

a_is many different elements bonded together

Answer 7

compound

Question 8

what are two examples of a compound?

Answer 8

H2O or water, CO2 or carbon dioxide

Question 9

many of the carbon-based_from living things

Answer 9

compounds

Question 10

_Formed when atoms gain or lose electrons

Answer 10

ions

Question 11

_Is an atom that has gained or lost one or more electrons

Answer 11

ion

Question 12

there can be_ions and_ions

Answer 12

negative and positive

Question 13

_Are chemical bonds form through the electrical force between oppositely charged ions

Answer 13

ionic bonds

Question 14

Atom share pairs of electrons in_bonds

Answer 14

covalent bonds

Question 15

_Bonds are when to Atoms share one or more pairs of electrons

Answer 15

covalent bonds

Question 16

covalent bonds can have _molecules and also multiple_bonds can be formed

Answer 16

1. diatomic

2. covalent