Science Unit test 2

Question 1

Atomic # =

Answer 1

of protons

Question 2

structure of an atom

Answer 2

protons and neutrons located in the nucleus, and electrons orbiting the nucleus

Question 3

4 families/ groups on the periodic table

Answer 3

Alkali metals, Alkaline earth metal, Halogens and Noble gases

Question 4

Atomic mass =

Answer 4

of protons and neutrons

Question 5

Different categories of elements

Answer 5

Metals, Non-metals and Metalloids

Question 6

Ionic Compound

Answer 6

made up of metals and non-metals

Question 7

Molecular Compounds

Answer 7

between non-metals

Question 8

Ionic Compound transfers

Answer 8

metals give away there electrons to the non metals to make them stable

Question 9

Molecular Compound transfers

Answer 9

Non-metals share the electrons not giving any away just sharing

Question 10

Noble gases are always

Answer 10

*stable

Question 11

Ions are formed by…

Answer 11

an atom losing or gaining electrons

Question 12

ion with a positive charge…

Answer 12

cation (usually metals)

Question 13

ion with negative charge…

Answer 13

anion (usually non-metals)