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3 years ago

Which statement best compares the properties of compounds and elements that the compounds contain?

Chemistry

2 answers:

makvit [3.9K]3 years ago

5 0

B, they are different, I just took the test

grigory [225]3 years ago

4 0

<span>The answer to this question would be: B.They are different.

A compound will have different characteristics from their element. </span>The interaction of different elements in a compound makes it so. They might have similar or opposite characteristic but it didn't always happen so those answers are not best.

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Which three statements about gravity and the formation of the solar system

Delicious77 [7]

Answer:

B. Gravity held the pieces of forming planets together.

c. Gravity pulled most of the matter into the center of the solar system

D. Gravity caused the planets and Sun to have spherical shapes.

Explanation:

When a collection of grains pulled together by their gravitational forces would keep in by the gravity of a star, it would eventually became bigger to the point a planet was formed.

The sun's strong gravitational force pulled most of the matter around it to the center of the solar system.

The spherical shape of planets is a result of their gravity pulling equally from all sides, shaping it into a sphere.

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2 years ago

Read 2 more answers

For part one synthesis reactions The product of the reaction is MgO. Describe what you observed in the reaction then consider th

vazorg [7]

Answer:

$2Mg+O_{2} \rightarrow 2MgO$

Explanation:

<u>Synthesis reaction:</u>

In the synthesis reaction, two reactants combined to form a single product.

For example,

"A" and "B" are two reactants then combined to form a "AB" product.

The chemical reaction is as follows.

$A+B \rightarrow AB$

The product "MgO" is formed by magnesium reacts with oxygen to form Magnesium oxide.

The chemical reaction is as follows.

$2Mg+O_{2} \rightarrow 2MgO$

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3 years ago

What are examples of smaller bodies

Inga [223]

comets, astroids oort clouds which surround the kuiper belt

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3 years ago

What products will form when potassium is added to cold, liquid water?

rewona [7]

Answer:

Explanation:

Potassium metal reacts very rapidly with water, which forms Potassium hydroxide (KOH) and hydrogen gas (H2).

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3 years ago

Read 2 more answers

Be sure to answer all parts. Rubidium and bromine atoms are depicted at right. Answer the following questions. (a) What is the c

finlep [7]

The complete question is found on the image attached.

Answer:

a) Rb= +1, Br= -1

b)Bromide and rubidium ions are related to krypton

c) C

Explanation:

Rubidium is found in group 1 with a charge of +1. Bromine is found in group 17 with a charge of -1. Both species have the same configuration as krypton. The ionic sizes of the ions are a very similar to each other Rb+ is 166 while Be is 167.

This RbBr is an ionic compound.

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3 years ago