What is the outcome of observing a chemical property ?

A new substance is formed with different properties

What effect does observing the physical properties of a substance have on the substance?

Observing physical properties has no effect on the substance

Measuring physical properties changes the chemical identity of the substance

It makes to substance develop a deep seeded distrust of humans

The substance will undergo an exothermic reaction

What is a valence electron?

an electron that is found in the outermost orbital of an atom.

an electron found in the innermost orbital of an atom.

an electron found in the middle orbital.

What do the vertical columns on the periodic table tell us?

The number of valence electrons (electrons on the outer most shell)

An ionic bond forms when

valence electrons are transferred from one atom to another, forming charged ions that are then pulled together by attraction between opposite charges

valence electrons are shared back and forth (move between) two atoms.

a sea of mobile electrons surround the cations and they then become negativly charged

Identify the reactant(s) and product(s) of the reaction.

Hydrogen and oxygen are the reactants, and water is the product.

All three are reactants and none are products.

Hydrogen and water are the reactants, and oxygen is the product.

Water and oxygen are the reactants, and hydrogen is the product.

Why does this picture demonstrate the Law of Conservation of Mass?

the number of atoms of each element are the same on both sides

they start out separate and end up combined

it doesn't demonstrate the Law of Conservation of Mass

Chemistry review PS8.1-5

Authored by Lee Lennon

Science

8th Grade

NGSS covered

Used 8+ times

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46 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Something that takes up space and has mass.

volume

matter

mass

density

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the states of matter?

solid, liquid, and juice

solid and liquid

solid and gas

solid, liquid, and gas

Relationship between mass and volume

Volume

Density

Displacement

Matter

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The measure of the pull of gravity on an object describes

mass

weight

volume

density

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term means "take up space"

Volume

Matter

Mass

Substance

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You can measure ______ with grams.

mass

volume

conductivity

melting point

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The amount of space something takes up

density

volume

mass

matter

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Chemistry review PS8.1-5

Something that takes up space and has mass.

What are the states of matter?

Relationship between mass and volume

The measure of the pull of gravity on an object describes

What term means "take up space"

You can measure ______ with grams.

The amount of space something takes up

Which state of matter has particles that are tightly packed?

The amount of matter something contains is its ______________.

What is the outcome of observing a chemical property?

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