Atomic Symbols Practice

The number of _____________ an atom contains determine the type of element it is.

• electrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1

The atomic number equals the number of ___________________.

• electrons

• protons

• neutrons

Tags

NGSS.MS-PS1-1

Determine the atomic number of boron.

• 4

• 5

• 6

• 7

What element has an atomic number of 33?

• antimony

• aluminum

• arsenic

• argon

What type of element is an atom that contains 4 protons?

• hydrogen

• lithium

• beryllium

• boron

Tags

NGSS.MS-PS1-1

How many protons does a zinc atom contain?

• 65

• 30

• 12

• 4

Tags

NGSS.MS-PS1-1

For a neutral atom, the number of _______________ equals the number of ______________.

• protons; electrons

• neutrons, electrons

• protons, neutrons

Tags

NGSS.MS-PS1-1

How many electrons does chromium contain?

• 24

• 48

• 23

• 47

Tags

NGSS.MS-PS1-1

What does the mass number equal?

• # of protons + # of electrons

• # of electrons + # of neutrons

• # of protons + # of neutrons

What is the mass number of an atom that contains 19 protons and 20 neutrons?

• 1

• 19

• 20

• 39

Tags

NGSS.MS-PS1-1