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Basic Concepts of Chemistry

Authored by Wayground Content

Science

6th Grade

NGSS covered

Used 36+ times

Basic Concepts of Chemistry
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ___ is a substance formed when two or more elements are chemically bonded together.

Element

Compound

Mixture

Solution

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Starting with 300 grams of reactants, the total mass of products after the reaction should be _____ g, demonstrating the conservation of mass principle.

250 grams

300 grams

350 grams

400 grams

Tags

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Identify the total number of atoms, elements, and molecules in the chemical formula: 5CaCO3.

5 molecules, 3 elements, 25 atoms

5 molecules, 3 elements, 20 atoms

5 molecules, 4 elements, 25 atoms

5 molecules, 3 elements, 30 atoms

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine whether the chemical equation is balanced or unbalanced. Show your work: @@4FeS + 7O_2 \rightarrow 2Fe_2O_3 + 4SO_2@@

Balanced

Unbalanced

Partially Balanced

Cannot be Determined

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Products in the chemical equation

Ethanol

Methanol

Acetic Acid

Butanol

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arrow in a chemical equation

Indicates the direction of the reaction, showing the conversion of reactants to products.

Represents the physical state of the reactants and products.

Shows the temperature at which the reaction occurs.

Indicates the presence of a catalyst in the reaction.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical equation

A representation of a chemical reaction using symbols and formulas.

A type of chemical bond between atoms.

A method for measuring the concentration of a solution.

A process of combining different substances to create a new one.

Tags

NGSS.MS-PS1-1

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