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WorksheetsSem 1 option 2
Total questions: 49
Worksheet time: 2hrs 5mins
What form of radiation has the lowest energy?
X-Rays
Visible Light
Gamma Rays
Radio Waves
What form of radiation has the greatest frequency?
X-Rays
Visible Light
Gamma Rays
Radio Waves
Based on these spectra, we can conclude that Galaxy C is moving ___ us.
Con base en estos espectros, podemos concluir que el Galaxy C se está moviendo ___ hacia nosotros.
away from
toward
Look at the picture. Who is experiencing a lower pitched sound?
Observer A
Observer B
There is no difference
Which is the stronger acid?
pH 1
pH 4
pH 8
pH 13
__________ are negatively charged particles that are in the orbitals around the nucleus.
protons
nucleus
neutrons
electrons
A proton has a ___________ charge.
positive
negative
neutral
massive.
Identifies the number of protons in an atoms nucleus.
Electron Cloud
Atomic Theory
Atomic Number
Mass Number
What is Zinc's atomic number?
30
26
55.85
55
How many valence electrons does carbon have?
4
5
6
7
Name this element.
Neon
Magnesium
Sodium
Manganese
Ionic bonds form between two ions that have...
Positive Chargers
negative charges
Same Charges
Opposite Charges
Type of covalent bond in which the electrons are being shared equally.
Nonpolar bond
Polar bond
Ionic bond
Why don't noble gases form bonds?
They all have a full octet
Noble gases do form bonds
They only bond when with eachother
none of these answers are correct
What type of bonding does this picture show?
Ionic
Covalent
6CO2+ 6H2O → C6H12O6 + 6O2
The carbon atoms are balanced with ____ on each side of the reaction.
1
6
2
How would you write the following number using scientific notation?
45,800,000 mL
45.8 ×106
4.58 x 10^7
458 x10^7
If the mass is 50kg and the accelerations is 162.5 m/s what would the force be?
721
8125
6185
2.474
Oxygen has 6 valence electrons. What atom could it bond with to fill its valence shell?
Oxygen (O)
Sodium (Na)
Magnesium (Mg)
Hydrogen (H)
In the equation below, 46 grams of sodium (Na) reacted with 36 grams of water (H2O). If 2 grams of hydrogen gas (H2) is produced by this reaction, what is the mass of sodium hydroxide (NaOH) produced? (Hint: write out the numbers and keep track of where everything goes)
10 grams
44 grams
80 grams
82 grams
What is the Net Force?
10
0
3
2
When you hit a tennis ball with a racket...
The ball exerts more force on the racket
The ball and racket exert the same force on each other
The racket exerts more force on the ball
It depends on how hard you hit it
Click on the graph to make it bigger. The average price of a bicycle in 2003 was approximately:
500
300
100
430
Click on the graph to make it bigger. The most bikes were sold in the year (a) .
What was the difference in the highest and lowest temp. on TUESDAY?
12*F
16*F
18*F
19*F
A hockey puck glides to the right across the ice at a constant speed.
A downward-moving skydiver who has just opened the parachute is slowing down.
What is an example of a physical change?
having less ash than the paper that was burned to form it
ice forming and then melting back into water
rust having a different identity than the iron it forms on
the irreversible reaction of vinegar and baking soda
Which has the greater electronegavitivity H or F?
H
F
Using electronegativities: Put these in increasing order: F, N, B
(smallest to largest)
B < N < F
B < F < N
N < F < B
F < N < B
Which of the answers below is correct. Please read closely
Blue Shift, away from observer, Low frequency waves
Red Shift, away from observer, Low frequency waves
Blue Shift, towards observer, high frequency waves
Red Shift, towards observer, high frequency waves
For this atom to easily have a full valency shell it should...
Take 5
Give 5
Take 3
Give 3
What type of bond will Lithium and Boron form?
Polar
Non-polar
Ionic
How many neutrons does Fluorine usually have?
9
10
18.9
19
A green powder is heated & a gas is given off while it turns to a black solid. This describes
Physical Change
Chemical Change
Change in State
Change in Temperature
