What are the 3 particles that make-up the atom?

protons, neutrons, and isotopes

neutrons, isotopes, and electrons

positives, negatives, and electrons

What is the biggest difference between an atom of cobalt (Co) and an atom of nickel (Ni) as shown in the periodic table entries?

An atom of nickel has more protons.

An atom of cobalt has more electrons.

An atom of cobalt has a lower number of neutrons.

An atom of nickel has a higher value for atomic mass.

Fluorine, chlorine, bromine, iodine, and astatine make up Group 17, the halogens. Why are these elements grouped together?

They are all very reactive nonmetals with similar chemical properties.

They are all nonreactive gases with similar physical properties.

Their atoms all have eight electrons in their outer energy levels.

They all have the same atomic number.

Which of the following best describes the properties of metals?

shiny, malleable, and conductive

hard, brittle, and nonconductive

What does the atomic number tell you about the element?

The number of protons in the atom of the nucleus

The number of neutrons in the atom of the nucleus

The mass of an atom of a chemical element

Periodic Table Brain Dump

Quiz

•

Chemistry

•

7th - 8th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS1-1, HS-PS1-1, MS-PS1-5

+5

Standards-aligned

Charles Martinez

FREE Resource

144 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

all matter is made of what

energy

atoms

electrons

compounds

The positive particles of an atom are

electrons

positrons

neutrons

protons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the central region of an atom where its neutrons and protons are is its

nucleus

electron cloud

core

center

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Particles in an atom that are neutral and have no charge are

negatrons

electrons

neutrons

protons

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False? Neutrons have a negative charge

True

False

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the atomic number for an element with three protons?

2

1

3

6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A particle that moves around the nucleus is a(n)...

Proton

Neutron

Electron

Quark

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144 questions

all matter is made of what

The positive particles of an atom are

the central region of an atom where its neutrons and protons are is its

Particles in an atom that are neutral and have no charge are

True or False? Neutrons have a negative charge

What is the atomic number for an element with three protons?

A particle that moves around the nucleus is a(n)...

In the modern periodic table elements are arranged by:

What does the 1.00794 stand for?

all matter is made of what

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