Chemistry
Physics
Space
EM Spectrum
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100

The chemical symbol for Sodium?

Na

100

What is the 1st law of motion?

Law of inertia

100

hottest stars are...

Blue

100

The top of a Wave is the...

Crest

100

What is the chemical compound For Sucrose?

A. CH3COOH

B. C12H5O11

C. SiO2

D.N2O

Answer: B

200

Is the following true?

2H2O--> H2+O2

It is false

200

explain the 3rd law of motion

For every action there's a equal and opposite reaction

200

What type of galaxy?

no definite shape

full of stars

can form when galaxies collide

irregular galaxy

200

The rate of how many waves pass in a minute.

Frequency

200

What is the largest known black hole?

A. IC 1101

B. Phoenix A 

C. Ton 618

C. Ton 618

300

How to determine the number of neutrons?

1.look for atomic mass 2. round atomic mass to the nearest one 3. subtract number of protons from atomic mass 4. have answer 

300

Moving 2m/s^2 west is an example of what?

Velocity

300

Black holes were once a...

a Supergiant star

300

What wave type is used to see your bones?

X-ray waves

300

When did Isaac Newton publish his laws of motion 

A. 1687

B. 1678

C. 1681

D.1689

A. 1687

400

Most outer electron(s)? 

Valence electrons

400

is a ball weighing 4kgs is rolling at 6m/s^2. what is the force of the ball if the friction of the ground is slowing it down by 1/3 of its original force

16N

400

What kind of star is Pollux?

Red giant

400

Height of a wave is...

Amplitude

400

Which is the most radioactive element?

A. Radium

B. Lanthanum

C. Oganesson

D. Uranium



C. Oganesson

500

Xe is the chemical symbol for what element

Xenon

500

A Book sitting on a desk is a example of what law of motion?

1st law

500

True or False: supernovas turn into white dwarfs.

False

500

Which color has the highest frequency

Violet


500

What's the wavelength of infrared Waves

A. 10-8

B. 105

C 10-5

D. 10-3

C. 10-5