Ch 16 "Properties of Atoms and the Periodic Table" Vocab Review

Question 1

vertical column in the periodic table.

Accepted Answer

group/family

Question 2

negatively charged particles surrounding the center of an atom

Accepted Answer

electron

Question 3

atoms of the same element that have different numbers of neutrons

Accepted Answer

isotope

Question 4

Horizontal row in the periodic table

Accepted Answer

period

Question 5

neutral particle, composed of quarks, inside the nucleus of an atom.

Accepted Answer

neutron

Question 6

sum of the number of protons and neutrons in an atom’s nucleus.

Accepted Answer

mass number

Question 7

smallest piece of matter that still retains the properties of an element

Accepted Answer

atom

Question 8

Area around the nucleus of an atom where the electrons are found

Accepted Answer

electron cloud

Question 9

particles of matter that make up protons and neutrons

Accepted Answer

quark

Question 10

number of protons in an atom’s nucleus.

Accepted Answer

atomic number

Question 11

positively charged particle, composed of quarks, in the nucleus of an atom

Accepted Answer

proton

Question 12

Positively charged center of an atom that contains protons and neutrons

Accepted Answer

nucleus

Questions 12