3 years ago

Which type of particle retains the identity of an element during a chemical reaction? a) electron

1 answer:

3 0

The answer is C. atom. An atom is the smallest fraction of a chemical element that can ever exit. An atom consists three particles which are the protons neutrons and electrons. Electrons are found around the center of the atom. The protons and neutrons are found in the center of the atom

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Can you help me please?

almond37 [142]

Explanation:

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. The “ingredients” of a reaction are called reactants, and the end results are called products

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2 years ago

Find the density.... Mass is 138g and Volume is 100 mL

solniwko [45]

Answer:

1380 kilogram/cubic meter

$p=\frac{m}{v}$

$=\frac{138g}{100mL}$

$=1.38$

$=1380$

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3 years ago

Some properties of liquid water are very different from those of solid water (ice). Explain why freezing is considered a physica

drek231 [11]

Answer:

A chemical change is a change in the chemical makeup of a substance and results in a new substance. Ice and water both have the same chemical makeup - ice is just a different state and has the same atoms but in an expanded form.

Explanation:

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3 years ago

a carbohydrate is called an organic compound because it contains a) phosphorus b) carbon c) hydrogen d) oxygen

artcher [175]

Organic chemistry is all about CARBON!!!!!!

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3 years ago

I will give brainiest how does a orange get its color

marysya [2.9K]

Answer:

by mixing red and yellow

Explanation:

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3 years ago

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