09 Atomic Structure PRE-Assessment

LT#1: Which of these is NOT found in the nucleus of an atom?

• proton

• neutron

• electron

• the mass of the atom

Tags

NGSS.MS-PS1-1

LT#1: Which subatomic particle has a neutral charge?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

LT#1: Part "a" in the picture shows...

• an electron

• a proton

• a neutron

• the nucleus

Tags

NGSS.MS-PS1-1

LT#1: Which makes up the MASS of an atom?

• proton and neutron

• proton and electron

• neutron and electron

• the electron cloud

LT#1: Which of the following is FALSE about an atom?

• An atom is mostly empty space.

• The nucleus is positive and makes up most of the mass.

• The nucleus is the inner core and has a positive charge.

• Electrons are the largest subatomic particle.

Tags

NGSS.MS-PS1-1

LT#2: Which of the following is responsible for the REAVTIVITY of an atom?

• a; electron

• b; neutron

• c; proton

• b + c; nucleus

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

LT#2: Which part of an atom is responsible for the IDENTITY?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

LT#2: In this diagram there are 6 protons, 6 neutrons, and 6 electrons. What is the identify of the atom?

• Carbon

• Magnesium

• Argon

• Beryllium

Tags

NGSS.MS-PS1-1

LT#2: Atoms will react to form complete outershells. Which atom is LEAST reactive?

• Lithium because it only has 1 valence (outer) electron.

• Fluorine because it has 9 protons.

• Aluminum because it has 3 valence (outer) electrons.

• They are all equally reactive.

Tags

NGSS.MS-PS1-1

LT#2: An element's atomic number refers to..

• the number of neutrons in the nucleus

• the mass number

• the number of valence (outer) electrons

• the number of protons in the nucleus