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Norma-Jean [14]
3 years ago
14

Visible light is a mixture of: A.) refraction and reflection B.) atoms and molecules C.) many colors or D.) ultraviolet and nonv

iolet rays ?
Chemistry
2 answers:
irinina [24]3 years ago
8 0
C) Many colors  looks to be correct.
lord [1]3 years ago
4 0
Hello the answer is c
I love kay
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Give an example of a rule of the natural world that a scientist can assume is always true.
vaieri [72.5K]

Answer:

Laws of Nature are to be distinguished both from Scientific Laws and from Natural Laws. On the other account, the Necessitarian Theory, Laws of Nature are the principles which govern the natural phenomena of the world. That is, the natural world “obeys” the Laws of Nature.

4 0
3 years ago
Based on Chromium's position on the periodic table, which statement describes the element
natali 33 [55]

Answer:

C. chromium is a metal that is less reactive than sodium.

Explanation:

Hello.

Given the options:

A. chromium is a nonmetal and therefore a good conductor of heat and electricity .

B. chromium is a metal that is more reactive than potassium .

C. chromium is a metal that is less reactive than sodium .

D. chromium is a noble gas that is not reactive.

In this case, since chromium is in period 4 group VIB we infer it is a transition metal which slightly reacts with acids and poorly reacts with oxygen and other oxidizing substances. Thus, in comparison with both sodium and potassium which are highly reactive even with water as they get on fire, we can say that it is less reactive than both potassium and sodium, therefore, answer is: C. chromium is a metal that is less reactive than sodium.

Best regards.

7 0
3 years ago
What weight (in grams) of h2so4 would be needed to make 750.0 ml of 2.00 m solution?
frosja888 [35]

Answer:

I think the answer should be 147

Explanation:

8 0
2 years ago
The volume of a gas-filled balloon is 30.0 L at 313 K and 1520 mm Hg pressure. What would the volume be at standard temperature
pashok25 [27]
313 k
step-by-step-explanation
4 0
3 years ago
Can someone help me pls will mark Brainly and 10+ points
bixtya [17]

Answer:

Hope this helps :)

Explanation:

1. A physical property is a characteristic of matter that is not associated with a change in its chemical composition.

2. Matter is everything around you. Atoms and compounds are all made of very small parts of matter.

3. Solid, liquid and, gas

4. False

5. Our weight on moon is less than it would be on Earth due to a difference of the strength of gravity on the moon.

6. Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

6 0
3 years ago
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