Chemistry atomic models

Chemistry atomic models

1st Grade

23 Qs

quiz-placeholder

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Chemistry atomic models

Chemistry atomic models

Assessment

Quiz

Science

1st Grade

Medium

Created by

Adriana González

Used 13+ times

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an atom?

A unit which is very electrical

Smallest unit into which matter can be divided without the release of electrically charged particles

Smallest unit into which matter can't be divided without the release of electrically charged particles

The biggest unit into which matter can be divided

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a molecule?

All matter is made up of ions, and it is the way in which the atoms are rejected to each other

The union of intermolecular atoms

All matter is made up of atoms, and it is the way in which the atoms are attached to each other

The rejection of cations

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalton proposed that all the atoms of an element were equal to each other (they all had the same mass) and this was different from the mass of the atoms of the other chemical elements

True

False

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Electrons have ________ charge

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Protons have _______ charge

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is atomic number?

The number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of electrons in the nucleus.

The number of protons in the nucleus of an atom.

The most important characteristic of an atom is the number of negative charges in its nucleus

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All atoms that have the same number of protons (atomic number), but that vary in the number of neutrons, are isotopes of a chemical element.

True

False

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