Quiz Atomic Structure

Quiz Atomic Structure

10th Grade

20 Qs

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Quiz Atomic Structure

Quiz Atomic Structure

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

NGSS
HS-PS1-8

Standards-aligned

Created by

ARMANDO VIEIRA

Used 7+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic number of an element represent?

The number of protons in the nucleus

The number of neutrons in the nucleus

The total number of protons and neutrons in the nucleus

The total number of protons and electrons in an atom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are isotopes of an element?

Atoms with the same number of protons but different numbers of electrons

Atoms with the same number of protons but different numbers of neutrons

Atoms with the same number of neutrons but different numbers of protons

Atoms with the same atomic mass but different atomic numbers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the atomic mass of an element calculated?

By adding the number of protons and neutrons

By subtracting the number of neutrons from the number of protons

By averaging the mass of all isotopes of the element

By multiplying the number of protons by the number of neutrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are subatomic particles?

Protons, Neutrons, Electrons

Atoms, Ions, Molecules

Quarks, Bosons, Leptons

A) and C) are correct

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the weighted average atomic mass of an element?

The average mass of the element's isotopes, weighted by their natural abundance

The sum of the masses of the element's isotopes

The mass of the most abundant isotope of the element

The average mass of the element's isotopes, divided by the number of isotopes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the weighted average atomic mass of an element with two isotopes?

Multiply the mass of each isotope by its natural abundance, then add the results

Add the masses of the isotopes, then divide by the total number of isotopes

Multiply the mass of each isotope by its atomic number, then add the results

Add the masses of the isotopes, then multiply by the most abundant isotope's abundance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number of an element with 17 protons?

17

34

8

35

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