Chemistry Ch. 1 Vocab

Question 1

Forces that hold atoms together

Answer 1

Chemical bond

Question 2

Combination of chemical symbols and numbers that indicates which elements and how many atoms of each element are present in a molecule.

Answer 2

Chemical formula

Question 3

Pure substance that contains two or more elements

Answer 3

Compound

Question 4

Chemical bond formed when atoms share electrons

Answer 4

Covalent bond

Question 5

Area where negatively charged electrons, arranged in energy levels, travel around an atoms nucleus

Answer 5

Electron cloud

Question 6

Chemical symbol for an element, surrounded by as many dots as there are electrons in its outer energy level

Answer 6

Electron dot diagram

Question 7

The different positions for an electron in an atom

Answer 7

Energy level

Question 8

Atom that is no longer neutral because it has gained or lost energy

Answer 8

Ion

Question 9

Attraction that holds oppositely charged ions close together

Answer 9

Ionic bond

Question 10

Bond formed when metal atoms share their pooled electrons

Answer 10

Metallic bond

Question 11

Neutral partical formed when atoms share electrons

Answer 11

Molecule

Question 12

Bond resulting from the unequal sharing of electrons

Answer 12

Polar bond