wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Unit 10: Atomic Structure

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

An arrangement of elements in columns, based on a set of properties that repeat from row to row.

a)

periodic table

b)

transition metal

c)

orbital

d)

electron cloud

2.

Elements that are good conductors of heat and electrical current.

a)

metals

b)

nonmetals

c)

metalloids

3.

A region of space around the nucleus where an electron is likely to be found.

a)

atomic number

b)

electron cloud

c)

valence electrons

d)

transition metals

4.

A column of elements on the periodic table.

a)

group

b)

row

c)

orbital

d)

isotope

5.

Elements with properties that fall between those of metals and nonmetals.

a)

metalloid

b)

electron

c)

transition metal

d)

proton

6.

A positively charged subatomic particle that is found in the nucleus of an atom.

a)

proton

b)

neutron

c)

electron

d)

metal

7.

A neutral subatomic particle that is found in the atom's nucleus.

a)

neutron

b)

proton

c)

electron

d)

nonmetal

8.

The dense, positively charged mass located in the center of an atom.

a)

nucleus

b)

proton

c)

neutron

d)

electron

9.

A visual model of the most likely locations for the electrons in atom.

a)

electron cloud

b)

isotopes

c)

valence electrons

d)

mass number

10.

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

a)

mass number

b)

energy level

c)

transition metals

d)

periodic table