stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Unit: Atomic Structure & PT Flashcards | StudBud
Explore
/
Unit: Atomic Structure & PT
Unit: Atomic Structure & PT
20 terms
·
StudBud Administration
·
2,370 plays
Chemistry, Subatomic Particles, Atomic Structure, Organization of the Periodic Table
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
Lithium is
highly reactive
because it has...
hint: reactivity is related to Group #
3 Electrons
3 Protons
1 Valence Electron
2
The vertical
columns
within a periodic table are called ________________.
Elements
Groups
Periods
3
How many
electrons
are in an atom of Oxygen?
Hint: A=P=E
16.99
6
16
8
4
How many
electrons
does an atom of Silicon contain?
Hint: A=P=E
28
15
14
28.09
5
How many
neutrons
are in an atom of Chlorine? Hint:
M-A=N
19
17
18
35
6
What is the electrical charge of a
neutral
atom?
No Charge
Negative
Positive
7
What are the basic
building blocks
of matter?
Electrons
Atoms
Compounds
8
A
stable or nonreactive
element means
An atom that has no electrons
An element that is in Group 18. Full valence shells.
An atom that has no protons
9
What determines an element's
chemical properties?
hint:chemical properties = reactivity=group #
# of valence electrons
atomic #
atomic mass
# of protons and neutrons
10
Which subatomic particle(s) have a positive (+) charge?
Neutrons
Electrons
Valence Electrons
Protons
11
Which subatomic structure has the
least mass
?
The masses are all equal
Neutrons
Protons
Electrons
12
Elements that are in the same period have the same number of ________________.
Atomic Mass
Atomic Numbers
Energy Levels
Valence Electrons
13
Which of the following has
chemical properties most like Fluorine?
Chlorine (Cl)
Helium (He)
Neon (Ne)
Oxygen(O)
14
Which of the following
identifies
this Helium atom?
2 Neutrons
2 Valence Electrons
2 Protons
2 Electrons
15
How many
neutrons
does the element in group 1, period 2 contain?
M-A=N
7
3
4
10
16
Identify the element in period 4 and group 2
Calcium (Ca)
Nitrogen (N)
Boron (B)
Nitrogen (N)
17
What are the 3 subatomic particles?
Protons, Neutrons, and Valence Electrons
Protons, Neutrons, and Electrons
Protons and Electrons only
Protons and Neutrons only
18
The mass of an atom is mostly made up of:
Protons and Electrons
Protons and Neutrons
Neutrons and Electrons
Only valance electrons
19
Inside the nucleus of an atom are the ___________ and _____________.
Protons and Neutrons
Protons and Electrons
Electrons and Neutrons
20
Valence electrons are found in the __________________ of atoms
Electron Cloud
Outermost Energy Levels
Nucleus
