Reactivity Test Corrections

What is the name of this element?

• Carbon

• Fluorine

• Boron

• Lithium

Tags

NGSS.MS-PS1-1

What determines the identity of the atom?

• Nucleus

• Electrons

• Neutrons

• Protons

Tags

NGSS.MS-PS1-1

What is the atomic mass for this element?

• 5

• 15

• 11

• 10

Tags

NGSS.MS-PS1-1

What is the reactivity of this atom?

• Stable

• Reactive

• Nonreactive

• Neutral

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What determines the reactivity of an atom?

• Protons

• Electrons

• Valence Electrons

• Neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A few students in a science class are arguing about the correct formula for density. Which student listed the formula correctly?

• Scott:

  Density = volume / mass

• Stephanie:

  Density = mass + volume

• George:

  Density = volume – mass

• Kaitlyn:

  Density = mass / volume

Choose the word(s) that best describes this atom.

• Stable

• Unstable

• Reactive

• Nonreactive

Tags

NGSS.MS-PS1-1

How many valence electrons does the atom have?

• 10

• 2

• 8

• 20

Tags

NGSS.MS-PS1-1

This atom would most likely react WITH what other atom?

• Carbon

• Magnesium

• Oxygen

• None

Tags

NGSS.MS-PS1-2

The liquids in the table do not mix when put in a cup together. After pouring the liquids in what will the order of the liquids be from bottom to top?

• Corn Syrup --> Water --> Lamp Oil --> Vegetable Oil --> Honey

• Lamp Oil --> Vegetable Oil --> Water --> Corn Syrup --> Honey

• Honey --> Corn Syrup --> Water --> Vegetable Oil --> Lamp Oil

• Honey --> Corn Syrup --> Lamp Oil --> Water --> Vegetable Oil

Tags

NGSS.MS-PS1-2