11.
Elements on the periodic table are arranged by increasing (4 points)

number of neutrons

reactivity

mass

atomic number
12.
Protons are located (4 points)

both in orbit and in the nucleus

in the nucleus with electrons

in orbit around the nucleus

in the nucleus with neutrons
13.
Which of the following is not true for atoms? (4 points)

They are made of protons, neutrons, and electrons.

They are the building blocks of matter.

They are made up of elements.

They contain a nucleus.
14.
Which of the following is not true for atoms? (4 points)

They are the smallest particle of any element.

They are able to be divided by a chemical reaction.

They are the building blocks of matter.

They are made of protons, neutrons, and electrons.
15.
Cl is highly reactive. You would expect NaCl to (4 points)

be highly reactive

take on some of the properties of Cl

have similar properties to Cl

to have completely different properties
16.
As you move from left to right across the periodic table, the atomic numbers (4 points)

decrease

are random

stay the same

increase
17.
An ionic compound is formed when (4 points)

a metal bonds with a nonmetal

a nonmetal bonds with another nonmetal

three nonmetals bond together

a metal bonds with another metal