Which of these molecules have the same number of Carbon Atoms?

• Substance 1 and 4

• Substance 2

• Substance 1 and 3

• Substance 2 and 4

Tags

NGSS.MS-PS1-1

In what section would you most likely find an element that is a brittle solid at room temperature and is not a good conductor?

• Section 1

• Section 2

• Section 3

• There are no elements that are brittle solids

Tags

NGSS.HS-PS1-1

Atoms are composed of mostly _____________ space.

• Positive

• Neutral

• Negative

• Empty

Tags

NGSS.MS-PS1-1

Most of an atom's mass can be found at location X in the diagram. What is the charge of the sub atomic particles outside of location X?

• Neutral

• Negative

• Positive

• Cannot be determined

Tags

NGSS.MS-PS1-1

Assuming the atom depicted has an overall neutral charge. Which sub atomic particle(s) make up the Atomic Mass?

• Protons Only

• Protons and Electrons

• Electrons and Neutrons

• Protons and Neutrons

Tags

NGSS.MS-PS1-1

The following element has a total of 3 electrons and has highly reactive chemical properties. In which Group/Family can this element be found?

• Group 1

• Group 3

• Group 11

• Cannot be determined

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What element has 6 Valence Electrons but only two (2) Energy shells/Orbitals?

• Gold

• Oxygen

• Barium

• Sulfur

The following two elements:

• Have similar chemical properties and can be found in Group 7 of the periodic table

• Do not have similar chemical properties and are not in the same group

• Have similar chemical properties and can be found on opposite sides of the periodic table

• Have similar chemical properties and can be found in Group 2 of the periodic table

Tags

NGSS.MS-PS1-1

Most of the elements on the periodic table are___________

• Non-Metals

• Metals

• Gases

• Metaloids

Valence Electrons determine an element's___________________________, While Protons determine an element's____________________________.

• IDENTITY; REACTIVITY

• Both determine reactivity

• REACTIVITY; IDENTITY

• Both determine identity

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2