21-30

Question 1

All living, or organic, things contain the element _________________.

Answer 1

carbon

Question 2

The two subatomic particles that are found in the nucleus are the _____________ and ____________.

Answer 2

proton and neutron

Question 3

The _______________ determines what kind of element an atom will be.

Answer 3

proton

Question 4

________________ are good conductors, shiny, and malleable.

Answer 4

metals

Question 5

Nobel gases are nonreactive or _____________.

Answer 5

inert

Question 6

An elements reactivity is based on it’s ______________ _______________, or the electron in the outer most shell.

Answer 6

valence electron

Question 7

The __________________ tells you how many protons are in an element.

Answer 7

atomic number

Question 8

Two or more elements bonded together is a _____________. An example is H2O.

Answer 8

molecule

Question 9

Elements become less _________________ as you go from left to right on the periodic table.

Answer 9

bright

Question 10

_______________ are negatively charged particles found in the cloud surrounding the atom’s nucleus.

Answer 10

electrons