Which of the following describes a carbon dioxide molecule (2 answers)

carbon dioxide molecules are made of more than one element

carbon dioxide molecules are considered to be simple molecules

carbon dioxide molecules are made of only one element

carbon dioxide molecules are considered to be extended structures

Where are electrons located?

energy levels inside the nucleus

Why are protons and electrons attracted to each other?

because protons have a positive charge and electrons have a negative charge

because protons have a negative charge and electrons have a positive charge

because they are both positively charged

because they are both negatively charged

At atom is labeled as neutral. What is the relationship between the number of protons and electrons in the atom?

The number of neutrons must also be the same.

Diamonds and coal are both made of carbon atoms, yet their physical properties are very different. What makes them so different?

They have different molecular structures.

The carbons in the coal have a different number of protons than the carbons in the diamonds.

The atoms in the diamonds are clear and the atoms in the coal are black.

What statement best describes the model?

9 molecules representing 9 elements

9 elements representing 9 molecules

Can the amount of protons in an element change?

depends on the number of neutrons

What would happen if you change the number of protons?

It would become a different element.

The electrons and neutrons would remain the same.

Atoms, Molecules, Extended Structures

Authored by Donna Jones

Science

8th Grade

NGSS covered

Used 59+ times

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34 questions

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MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Subatomic particles with a negative charge

Electrons

Neutrons

Protons

Quarks

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Subatomic particles with a positive charge

neutrons

atomic mass

protons

isotopes

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Subatomic particles that are neutral in charge

Neutrons

Protons

Nucleus

Electrons

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the atomic number?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How many protons and electrons does this element have?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How many neutrons does Chlorine have?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the atomic mass of Neon?

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Atoms, Molecules, Extended Structures

Subatomic particles with a negative charge

Subatomic particles with a positive charge

Subatomic particles that are neutral in charge

What is the atomic number?

How many protons and electrons does this element have?

How many neutrons does Chlorine have?

What is the atomic mass of Neon?

Measure mainly of the nuclear particles: protons + neutrons

Is the following a picture of a simple compound or an extended structure?

Is the following picture a simple compound or extended structure?

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