Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2. Carbon dioxide gas is

a compound of carbon and oxygen atoms.

an element made of carbon and oxygen atoms.

a solution made of carbon and oxygen atoms.

a mixture of carbon and oxygen atoms.

a substance in which the atoms of two or more elements are combined together

an atom with more electrons than protons

an atom with more neutrons than protons

a substance in which the atoms of three or more elements are combined together

What does the diagram show?

A mixture of a compound & element

What does the diagram show?

A mixture of a compound & element

What does the diagram show?

A mixture of a compound & element

Which description below is a true statement about the diagram?

The diagram can be classified as an element and a molecule

The diagram can be classified as a compound

The diagram can be classified as a mixture of two compounds

The diagram can be classified as a mixture of two elements

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

made of two different elements.

What is the difference between Co and CO?

CO is two elements and Co is only one element

CO is an element but Co is a compound

Nothing is different. They are the same thing.

Elements, atoms and compounds

Authored by zeina badri

Chemistry

7th Grade

NGSS covered

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60 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What forms when two atoms combine?

A nucleus

A proton

A molecule

A neutron

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following cannot be broken down into something simpler?

A compound

An element

A mixture

A chemical formula

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is most like a recipe?

An element

A periodic table

An electron formula

A chemical formula

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are on the periodic table?

116

200

160

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What needs to occur in order for elements to form a compound?

An elemental reaction

An atomic reaction

An electric reaction

A chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the picture displayed?

Atom

Element

Molecule

Compound

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the picture displayed?

atom

element

compound

Tags

NGSS.MS-PS1-1

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Elements, atoms and compounds

What forms when two atoms combine?

Which of the following cannot be broken down into something simpler?

Which of these is most like a recipe?

How many elements are on the periodic table?

What needs to occur in order for elements to form a compound?

What is the picture displayed?

What is the picture displayed?

What is the picture displayed?

How many elements are in C₆H₁₂O₆?

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

Elements, atoms and compounds

What forms when two atoms combine?

Which of the following cannot be broken down into something simpler?

Which of these is most like a recipe?

How many elements are on the periodic table?

What needs to occur in order for elements to form a compound?

What is the picture displayed?

What is the picture displayed?

What is the picture displayed?

How many elements are in C6H12O6?

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

Access all questions and much more by creating a free account

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Discover more resources for Chemistry

How many elements are in C₆H₁₂O₆?