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Scilla [17]
3 years ago
9

Group them useful or harmful. Write the number of your answer in the appropriate box​

Chemistry
1 answer:
nikdorinn [45]3 years ago
8 0

Answer:

Soap-wag mo ilalagay sa mata

alcohol same with the soap

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What is the mass of 0.572 moles of Al?
kozerog [31]
Answer: 15.433704

Use the periodic table to check the atomic mass, this is the number of grams per mole → 1 mole of Aluminum is 26.982 g
5 0
2 years ago
Fe(s) + CuSO4(aq) ⇒ Cu(s) + FeSO4(aq)
Alexxandr [17]

Answer:

The answer to your question is CuSO₄

Explanation:

To answer your question just remember the following information

- A chemical reaction is divided into sections

 reactants and products

 reactants on the left side of the reaction

products on the right side of the reaction

- All the symbols have a meaning

 (s) means that that compound is in solid phase

 (aq) means that that compound is dissolved in solution.

Then, the answer is CuSO₄

4 0
3 years ago
21) Scientists represent elements by using<br> a formulas b. subscripts<br> c. symbols<br> d. words
Hunter-Best [27]
They represent elements by using symbols
4 0
3 years ago
How many protons are in an atom of strontium?
Stells [14]

Answer:

38

Explanation:

Symbol: Sr

Atomic mass: 87.62 u

Electrons per shell: 2,8,18,8,2

Atomic number: 38

Electron configuration: [Kr] 5s2

Van der Waals radius: 255 pm

Valence electrons: two

7 0
3 years ago
Why do atoms bond????????
Doss [256]
<span> In order to create a complete full outer shell of electrons.
</span><span /><span>
</span>
4 0
2 years ago
Read 2 more answers
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