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The Whole First Semester! Flashcards | StudBud
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The Whole First Semester!
The Whole First Semester!
25 terms
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Review for the semester Exam
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
These are non-reactive gasses found on the far right of the periodic table
Alkali Metals
Alkali Earth Metals
Noble Gasses
Actinides
2
if there are no metals in a compound
you have an octet
it is likely covalently bonded
it is likely ionic bonding
it must be metallic bonding
3
A salad is a mixture. We can take it apart, and it has areas that look different . We call it
tomatos
homogenous
impossible
heterogenous
4
Which of these has the highest energy?
Gamma Rays
Visible Light
Microwaves
Ultraviolet light
5
Electrons don't really hate each other...
they just bond
they are attracted to each other
they just stay as far apart as possible
they are connected to each other
6
How many neutrons does hydrogen have?
2
-1
0
1
7
which of these is NOT matter
Oxygen
Salt
A desk
Energy
8
Carbon has ___ valence electrons
1
4
3
2
9
Which element has the highest electro-negativity
Fr
F
Rn
Na
10
Crazy cat lady bonding (sea of electrons)
Polar Covalent
Metallic
Non Polar covalent
Ionic
11
The metals are found on the __ of the periodic table
Far right
Left and Middle
Very bottom
Top
12
How many significant digits are in 1.0010
1
4
2
5
13
in the notation 4s2 what does the 2 indicate?
the shape of the orbital
the energy level
the number of electrons
the number of protons
14
A molecule is made up of
any compound
two metals
at least 2 atoms covalently bonded
at least 2 atoms with ionic bonds
15
What safety equipment is mandatory in the lab
nothing
goggles and gloves
fire blanket
goggles and aprons
16
Who found the nucleus using the gold foil experiment, Geiger and Marsden?
Rutheford (and Marsden and Geiger)
Erwin Schroedinger and Werner Heisenberg
James Chadwick
John Dalton
17
This column of elements reacts violently with water
Alkali Metals
Actinides
Halogens
Lanthanides
18
How many electrons are in an s orbital
6
14
10
2
19
How many grams are there in 1 mole of Hydrogen
1
0
6.02 x 10^23
2
20
Because vinegar is a mixture that looks the same throughout the sample, it is
A homogeneous mixture
An element
A compound
A heterogenous mixture
21
applied chemistry and theoretical chemistry
use different tools
are identical
are only different in organic experiments
have different goals
22
What is the formula for density?
d= m/v
d=m x v
d=v/m
d= v x m
23
A cation
is always a halogen
is a positively charged ion
is bigger than its original atom
has a negative charge
24
What shape best describes an s orbital?
donut
flower
peanut
sphere
25
The dividing line between metals and non-metals includes the
Hydrogen
Metaloids
Noble Gasses
Alkali Earth Metals
