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2 years ago

All atoms of the same elements have the same what?

Chemistry

2 answers:

Anarel [89]2 years ago

7 0

Answer:

Below

Explanation:

All atoms of the same element have the same amount of protons! This is because the number of protons that exist in the nucleus is the element's atomic number.

Hope this helps!

Flura [38]2 years ago

4 0

Answer:

The same number of proteins in their nucleus.

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Why is the cell a basic unit of life?

Tju [1.3M]

Answer:

Cells make up the smallest level of a living organism such as yourself and other living things. The cellular level of an organism is where the metabolic processes occur that keep the organism alive. That is why the cell is called the fundamental unit of life.

Explanation:

put it in your own words

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3 years ago

Read 2 more answers

3. Matter with a composition that is always the same is a(n)<br> substance<br> mixture<br> compound

Andre45 [30]

Answer:

substance

Explanation:

A pure substance is a form of matter that has a constant composition (meaning it's the same everywhere) and properties that are constant throughout the sample (meaning there is only one set of properties such as melting point, color, boiling point, etc

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3 years ago

Classify each of the four compounds as a conjugated, isolated, or cumulated diene. Compound A: Two alkenes are joined by a sigma

Lina20 [59]

Explanation:

Conjugated diene is the one that contains alternate double bonds in its structure. That means both the double bonds are separated by a single bond.

Cumulated diene is the one that contains two double bonds on a single atom. This means it has two double bonds continuously.

Isolated double-bonded compound has a single bond isolated by two to three single bonds.

Compound A: Two alkenes are joined by a sigma bond.

For example:

$-CH_2=CH-CH=CH2-$

It is a conjugated diene.

Compound B: Two alkenes are joined by a C H 2 group.

It is a cumulative diene.

Compound C: Two alkenes are joined by C H 2 C H 2.

Then it is an isolated alkene.

Compound D: A cyclohexene has a double bond between carbons 1 and 2. Carbon 3 is an sp 2 carbon that is bonded to another s p 2 carbon with an alkyl substituent.

Hence, compound D is a conjugated diene.

8 0

3 years ago

If a notebook has a mass of 50 grams, a length of 12 cm, a width of 5 cm and a height of 1cm, what is the volume of the notebook

Wewaii [24]

Answer:

I'm pretty sure the answer is 60cm.

Explanation:

Volume = L×W×h

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3 years ago

An element that speeds up chemical reactions is called a/an

mel-nik [20]

I think it is enzymes.Inside our body most of the chemical reactions are speeds up by enzymes.These enzymes decreases the minimum energy that is required for the reaction to happen. ;-]. Actually it works like a catalyst.

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3 years ago