GCSE Atomic Structure

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

Tags

NGSS.MS-PS1-1

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

Tags

NGSS.MS-PS1-1

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Tags

NGSS.MS-PS1-1

The particles of the atom you can find by knowing the atomic number.

• neutrons
• protons and electrons
• protons and neutrons
• atomic mass

Tags

NGSS.MS-PS1-1

What is the atomic mass of the atom pictured? 

• 9
• 10
• 18
• 19

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 9
• 10
• 18
• 19

Tags

NGSS.MS-PS1-1

What do the following properties describe? : shiny, ductile, good conductor, high melting point

• metal
• nonmetal
• metalloid

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Elements in the periodic table are arranged in order by their ...

• atomic number
• atomic mass (mass number)
• metal, nonmetal, or metalloid properties

This particle determines what element you have - the elements identity.

• electron
• proton
• neutron
• valence shell

Tags

NGSS.MS-PS1-1