Atomic model

Atomic model

3rd Grade - University

10 Qs

quiz-placeholder

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Atomic model

Atomic model

Assessment

Quiz

Physics

3rd Grade - University

Practice Problem

Hard

Created by

Oanh Le

Used 13+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The word atom comes from the Greek "atomos" which means?

Very tiny

Indivisible

Molecule

Ouch I jammed my toe

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following was not a part of Dalton's theory of the atom?

All elements are composed of atom

Atoms of the same elemements have the same mass and atoms of different elements have different masses

Compounds contain atoms of more than one element

All atoms have the same number or protons, electrons, and neutrons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best fits Thomson's model of the atom?

Homer Simpson

Chocolate cake

Plum Pudding

Can of Diet Pepsi

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What discovery was accounted for in Rutherford's model of the atom?

A positively charged nucleus

Electrons

The northwest passage

Neutrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Bohr Model of the atom says that electrons:

Move at a very high velocity around the nucleus

Electrons exist at different energy levels in orbit around the nucleus

Electrons can move between energy levels when they gain or lose energy

All of the above are true about the Bohr model

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the Bohr’s postulates was incorrect?

Energy of electrons is quantized

Momentum of electrons is quantized

Electrons release energy when shifting from excited state to ground state

Electrons revolve around the nucleus in fixed circular orbits

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an electron shifts to an inner shell, it:

Absorbs photon

Emits a photon

Emits a positron

Absorbs a positron

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