Chemistry

Question 1

Atom

Answer 1

Smallest particle of an element that has the properties of that element.

Question 2

Elements

Answer 2

A substance made up of one type of atom.

Question 3

4 major elements in body

Answer 3

Carbon, hydrogen, oxygen, nitrogen

Question 4

Isotopes

Answer 4

An element has extra neutrons

Question 5

Molecule

Answer 5

Made up of 2 or more atoms. (H2O & c6h12o6)

Question 6

Compound

Answer 6

Water (H2O) & Salt (NaCl)
2+ seperate elements

Question 7

Ions

Answer 7

Particle that is electrically charged because it has gained/lost one or more electrons

Question 8

Cation

Answer 8

Positively charged ions

Question 9

Anion

Answer 9

Negatively charged ions

Question 10

Electrolytes (charged ions)

Answer 10

Substances that release ions in water minerals in body that have an electric charge (sodium, potassium, calcium, chloride)

Question 11

Ionic (transfer)

Answer 11

Type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound

Question 12

Compound (share)

Answer 12

The atoms bond by sharing electrons

Question 13

Hydrogen

Answer 13

2 atoms already in another chemical bond

Question 14

Water: Universal solvent

Answer 14

Best thing to dissolve other things

Question 15

Water: Transport

Answer 15

Important transport medium

Question 16

Water: Lubricant

Answer 16

Decrease friction

Question 17

Water: Heat capacity

Answer 17

Absorbs and releases heat very slowly

Question 18

Water: Chemical reactions

Answer 18

Participates or essential for many chemical reactions

Question 19

Atomic Number

Answer 19

Number of protons in an element

Question 20

Atomic Mass

Answer 20

Protons + Neutrons

Question 21

Proton

Answer 21

Positive

Question 22

Neutral

Answer 22

Neutron

Question 23

Negative

Answer 23

Electron