Science Final Study Guide

In the wave-mechanical model of the atom, an orbital

is defined as (Topic: Atomic Structure)

• A) a region of the most probable proton location

• B) a region of the most probable electron

  location

• C) a circular path traveled by a proton around the

  nucleus

• D) a circular path traveled by an electron around the

  nucleus

In the electron cloud model of the atom, an orbital is

defined as the most probable (topic: Atomic Structure)

• A) charge of an electron

• B) conductivity of an electron

• C) location of an electron

• D) mass of an electron

The diagram to the left represents a particle traveling through an electric field.

Which particle remains undeflected when passing

through this electric field? (Topic: Atomic Structure)

• proton

• electrons

• neutrons

• positron

Tags

NGSS.MS-PS2-3

Which particles are found in the nucleus of an argon

atom? (Topic: Atomic Structure)

• A) protons and electrons

• B) positrons and neutrons

• C) protons and neutrons

• D) positrons and electrons

Given a list of atomic model descriptions:

A: electron shells outside a central nucleus

B: hard, indivisible sphere

C: mostly empty space

Which list of atomic model descriptions represents

the order of historical development from the earliest

to most recent? (Topic: Atomic Structure)

• A) A, B, C

• B) A, C, B

• C) B, C, A

• D) B, A, C

In the late 1800s, experiments using cathode ray tubes

led to the discovery of the (Topic: Atomic Structure)

• Electrons

• Neutrons

• positron

• Proton

How many different elements are represented by the diagrams? (Topic: Atomic Structure)

• A) 1

• B) 2

• C) 3

• D) 4

Tags

NGSS.MS-PS1-1

How many different elements are represented by the

diagrams?

• A) 0

• B) -2

• C) +8

• D) +16

Tags

NGSS.MS-PS1-1

Given the table representing the subatomic particles in

four different atoms:

Which atom has a mass of 12 u? (Topic: atomic structure)

• A) A

• B) E

• C) G

• D) J

Tags

NGSS.MS-PS1-1

Which subatomic particles are paired with their

charges? (Topic: Atomic Structure)

• A) electron-positive, neutron-negative,

  proton-neutral

• B) electron-negative, neutron-neutral,

  proton-positive

• C) electron-negative, neutron-positive,

  proton-neutral

• D) electron-neutral, neutron-positive,

  proton-negative