Where are the protons and neutrons in an atom located?

• in the nucleus
• in the protons
• in the neutrons
• in the electrons

Tags

NGSS.HS-PS1-8

 What is the MASS NUMBER of this element?

• 5
• 27
• 32
• 59

Tags

NGSS.MS-PS1-1

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

The negatively charged particles of an atom are the ______.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

What is the atomic number?

• number of protons
• number of neutrons

a neutron has this charge

• negative
• positive
• neutral

Elements in the same period/row have the same--

• # of valence electrons

• # of protons

• # of energy shells

• # of neutrons

Tags

NGSS.HS-PS1-1

Which element is NOT in Period 3 on the Periodic Table?

• Na

• Ar

• P

• Ne

How many protons will the element in Group 17, Period 4 have?

• 9

• 16

• 34

• 35

Tags

NGSS.HS-PS1-1

What element has similar properties of Cesium (Cs), but a larger atomic mass?

• Magnesium (Mg)

• Barium (Ba)

• Rubidium (Rb)

• Francium (Fr)

Tags

NGSS.HS-PS1-1