Atom Review

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

What is the mass number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Which of the following determines the identity of an element?

• atomic number 
• mass number
• atomic mass
• overall charge

Two atoms of the same element but with different mass numbers are called________

• electrons
• isotopes
• variables
• electron cloud

What are valence electrons?

• electrons on the first orbital always
• nucleus
• the outermost shell
• the number of electrons on the outermost orbital

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the mass number and name of an element with 8 protons and 8 neutrons?

• 16 - Carbon
• 16 - Oxygen
• 24 - Oxygen
• 8 - Neon

Tags

NGSS.MS-PS1-1

An element with a mass number of 10 and an atomic number of 6 has how many protons?

• 5
• 8
• 6
• 10

Tags

NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.HS-PS1-1

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Tags

NGSS.HS-PS1-1