SPS1

What is the optimum number of electrons an atom likes in its outer shell?

• 2

• 6

• 4

• 8

True or false: most of an atom is empty space.

• True

• False

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge

• Smaller mass than a proton and a positive charge

• Greater mass than a proton and a negative charge

• Greater mass than a proton and a positive charge

The "1" represents the...

• Atomic Number

• The number of protons the atom has

• Atomic Mass

• How old the element is

What particle is Y?

• Proton

• Neutron

• Nucleus

• Electron

Tags

NGSS.MS-PS1-1

What particle is X?

• Proton

• Neutron

• Nucleus

• Electron

Tags

NGSS.MS-PS1-1

What is the basic unit of matter? (Hint: What is all matter made up of?)

• Cells

• Light

• Atoms

• Nucleus

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following statements is NOT true about atoms?

• Electrons are negatively charged and are found in the electron cloud outside of the nucleus.

• Protons and neutrons are found in the nucleus.

• Protons have no charge.

• Neutrons are neutral in charge and are the same mass as protons.

• The number of protons is equal to the number of electrons in a neutral atom.

Select the answer choice that is the SMALLEST in size.

• Atom

• Proton

• Cell

• Electron

Which of the following is a property of Alkali Metals (Group 1)?

• They are so hard they cannot be cut.

• They are very, very reactive.

• They are stored in water.

• They have few uses.