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Atoms and the Periodic Table

Authored by Elizabeth Horner

Chemistry

8th Grade

Used 1+ times

Atoms and the Periodic Table
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This scientist noticed a pattern of properties when he arranged the elements in order of increasing atomic mass.

Albert Einstein

Dmitri Mendeleev

Theodor Schwann

Ernest Rutherford

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At the very center of every atom is a _____ which contains particles.

Proton

Membrane

Nucleus

Electron cloud

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This small particle in the nucleus carries a positive charge.

Electron

Neutron

Proton

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The atomic number of an element tells you how many _____ and _____ are found in the nucleus of one atom of that element.

Protons and Neutrons

Electrons and Protons

Neutrons and Electrons

Protons, Neutrons, and Electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This negatively charged particle is found outside the nucleus in what is termed the "electron cloud".

Protons

Neutrons

Electrons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct chemical symbol for the element Argon?

A

ARG

Ar

AR

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The periodic table shown has 7 colored rows. These are called:

Periods

Groups

Columns

Atomic clusters

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