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Compounds Substances and Mixtures

Authored by Jonathan Garcia

Science

10th Grade

NGSS covered

Used 1+ times

Compounds Substances and Mixtures
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68 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is Iron (Fe) an element or a compound?

element

compound

Answer explanation

Iron (Fe) is an element because it is a pure substance made up of only one type of atom.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in H2O

1

2

3

4

Answer explanation

The correct answer is 2 because H2O consists of 2 elements, hydrogen and oxygen.

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This picture represents which of the following?

element

compound

Answer explanation

The correct choice is 'compound' because the picture represents a combination of different elements bonded together, which is characteristic of a compound.

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This picture represents which of the following?

element

compound

Answer explanation

The picture represents a compound, as it shows a combination of different elements or substances.

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This picture represents which of the following?

element

compound

Answer explanation

The picture represents an element, as it shows a single type of atom. Compounds consist of multiple types of atoms bonded together.

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When one or more substance is combined it is called __________________.

compound

element

mixture

solution

Answer explanation

When one or more substances are combined, it is called a compound, which is the correct answer choice.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements describes an element?

It contains only one kind of atom.

It can be decomposed by ordinary chemical means.

It is composed of atoms of two or more elements that bond together.

It has unique properties that are different from the properties of its individual elements.

Answer explanation

The correct statement describing an element is that it contains only one kind of atom.

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