Intro to atoms

what is the center of the atom called?

• Proton

• Neutron

• electron

• Nucleus

What charge does a proton have?

• positive

• negative

• neutral

What charge does a neutron have?

• positive

• negative

• neutral

What charge does an electron have?

• positive

• negative

• neutral

There are equal numbers of ___ and ___ in an atom (if it's neutral)

• protons and neutrons

• protons and electrons

• neutrons and electrons

Tags

NGSS.MS-PS1-1

What two particles are in the nucleus of an atom?

• protons and electrons

• electrons and neutrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

What subatomic particle(s) would be found orbiting the nucleus?

• Neutrons only
• Electrons only
• Protons and Neutrons
• 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

Tags

NGSS.MS-PS1-1

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

What are the 3 subatomic particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1