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Atoms Introduction

Atoms Introduction

Assessment

Presentation

Science

9th - 12th Grade

Practice Problem

Medium

Created by

Alexis Simpson

Used 3+ times

FREE Resource

52 Slides • 14 Questions

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Multiple Choice

Which subatomic particles are found in the nucleus of an atom?

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Protons and neutrons

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Electrons and protons

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Neutrons and electrons

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Only protons

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Multiple Choice

What is the main difference between the nucleus and the electron cloud in an atom?

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The nucleus is dense and central, while the electron cloud is a large area outside the nucleus.

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The nucleus contains electrons, while the electron cloud contains protons and neutrons.

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The nucleus is negatively charged, while the electron cloud is positively charged.

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The nucleus is tiny, while the electron cloud is large and dense.

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Multiple Choice

Which of the following statements about subatomic particles is correct?

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Protons have a positive charge and are large.

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Neutrons have a negative charge and are tiny.

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Electrons have a positive charge and are large.

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Protons have no charge and are tiny.

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Open Ended

An atom has 24 protons. What element is it?

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Multiple Choice

Which of the following statements is true about neutral atoms?

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They have equal numbers of protons and electrons.

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They have more protons than electrons.

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They have more electrons than protons.

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They have no protons.

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Multiple Choice

How do you calculate the number of neutrons in an atom if you know its mass number and atomic number?

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Subtract the atomic number from the mass number.

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Add the atomic number to the mass number.

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Multiply the atomic number by the mass number.

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Divide the mass number by the atomic number.

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Multiple Choice

Which of the following best describes atomic mass?

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The average mass of all isotopes of an element.

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The sum of protons and neutrons in an atom.

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The number of protons in an atom.

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The number of neutrons in an atom.

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Multiple Choice

What would be the Isotope of Carbon-16

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Protons: 8

Neutrons: 8

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Protons: 6

Electrons: 10

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Protons: 6

Neutrons: 10

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Protons: 8

Electrons: 8

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Categorize

Options (2)

Becomes an Ion

Becomes a different element

What happens when the number of _______ change?

Electrons
Protons

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