Atomic models

Atomic models

1st - 3rd Grade

18 Qs

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Atomic models

Atomic models

Assessment

Quiz

Science, Chemistry

1st - 3rd Grade

Practice Problem

Medium

Created by

Leanny M.

Used 6+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

In this model atoms were composed of both negative (electrons) and positive (protons) parts. Most of the mass was in a tiny nucleus, and electrons moved around it with almost no order

Dalton

Quantum model

Rutherford

Thomson

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The ________ model believed each atom was like a billiard ball and couldn't be broken down into small parts.

First atom model

Modern atomic model

Bohr´s atomic model

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

All matter is composed of fundamental building blocks. _______ is the smallest unit of matter that retains all of the chemical properties of an element.

An atom

A cell

A molecule

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Choose the correct sentence.

An atom is made of three sub-atomic particles, a positively charged electron, a negatively charged proton, and a neutral neutron.

An atom is made of three sub-atomic particles, a negatively charged electron, a positively charged proton, and a neutral nucleus

An atom is made of three sub-atomic particles, a negatively charged electron, a positively charged proton, and a neutral neutron.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The atomic number is defined by the number of:

Orbits

Neutrons

Protons

electrons

6.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Media Image

The third atomic model believed atoms were composed of negative particles, arranged in a positive ball

Thomson

Rutherford

Dalton

Bohr

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the centre of an atom called?

The protons

The nucleus

The electrons

The nucleolus

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