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belka [17]
3 years ago
8

What are compounds that are formed when two or more atoms combine to form molecules are called

Chemistry
1 answer:
vazorg [7]3 years ago
4 0
When atoms of two or more elements combine to make a single molecule those compounds are called compounds.
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If the block were to be cut in half, what would be the<br> density of the smaller block?
anyanavicka [17]

Answer:

Density stays the same

Explanation:

The density remains the same because cutting the object in half will divide the mass & volume by the same amount. Also, the density of a substance remains the same no matter what size it is.

6 0
3 years ago
(AKS 2e) Group 2 metals bond with nonmetals or polyatomic ions. What question
Lyrx [107]

Answer:

Will group 2 elements lose electrons to bond with nonmetals in group 17 in a

1:2 ratio?

Explanation:

Metals are electropositive in nature. This means that they loose electrons. Thus, metals form ionic bonds by loosing electrons to non metals.

Elements of group 2 have a valency of 2 while those of group 17 has a valency of 1 so the ratio in which group 2 elements bond with elements of group 17 is 1:2. Hence the answer.

3 0
3 years ago
What is an isotope ​
Andrews [41]

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Explanation:

5 0
3 years ago
Read 2 more answers
Part A
Mamont248 [21]

Answer:

61.39%

Explanation:

The percent yield of a substance can be calculated using the formula:

Percent yield = actual yield/theoretical yield × 100%

Based on the information provided on the reaction in this question, the theoretical yield is given as 99.2g while the actual yield is given as 60.9g.

Hence, the percent yield is calculated thus:

% yield = 60.9/99.2 × 100

% yield = 0.6139 × 100

% yield = 61.39%

The percent yield is 61.39%

3 0
3 years ago
Why the telescopes that detected no optical radiation are useful for studying objects in space
Afina-wow [57]
I would say that if they would use the regular ones, they would not be able to see very far. as well with that i would add that they need special lenses to see far. 
hope that this helps you! =)
8 0
4 years ago
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