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777dan777 [17]
2 years ago
13

Giving brainly for correct answer! :)

Chemistry
1 answer:
elena55 [62]2 years ago
7 0

Answer:  <em>I think its in order, not really sure. First answer on top. Next answer on the left and the Last answer on the right.</em>

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What does it mean if an element is isoelectronic?
jeka57 [31]

Question: What does it mean if an element is isoelectronic?

Answer: Isoelectronic is a term to describe a group of atoms or ions having the same number of electrons

Explanation: they are both the same because they bot have the same number of protons in each atom and they both will have the same always not diffrent its gonna have the same number

question answered by

(jacemorris04)

5 0
3 years ago
If all the water in 430.0 mL of a 0.45 M NaCI solution evaporates what is the mass of NaCI will remain
skad [1K]

Answer:

11.31 g.

Explanation:

Molarity is defined as the no. of moles of a solute per 1.0 L of the solution.

M = (no. of moles of solute)/(V of the solution (L)).

<em>∴ M = (mass/molar mass)of NaCl/(V of the solution (L)).</em>

<em></em>

<em>∴ mass of NaCl remained after evaporation of water = (M)(V of the solution (L))(molar mass)</em> = (0.45 M)(0.43 L)(58.44 g/mol) = <em>11.31 g.</em>

6 0
3 years ago
Read 2 more answers
The energy of motion is known as potential energy.<br><br> Question 1 options:<br> True<br> False
Korolek [52]

Answer:

False

Explanation:

This is because potential energy is energy that it not used yet.

6 0
3 years ago
How does Cancer Begin?
pickupchik [31]

Answer:

Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues.

Explanation:  Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.

-Hope this helped

3 0
4 years ago
Explain the following: Unless the loss of reactant is extreme, only the loss of limiting reactant mass truly introduces error in
natita [175]

Answer:

我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

Explanation:

我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

6 0
3 years ago
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