Atoms and ions

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

Choose the particle that has no charge.

• nucleus
• neutron
• proton
• electron

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

• electron
• proton
• neutron
• valence shell

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.HS-PS2-4

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

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 number that gives you the element and the number of protons contained in each elemental atom?

• atomic mass
• mass number
• symbol
• atomic #

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

Tags

NGSS.MS-PS1-1

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Tags

NGSS.HS-PS1-2

Which subatomic particle is found in the energy levels around the nucleus of an atom? 

• proton
• electron
• moron
• neutron

Tags

NGSS.HS-PS1-1