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Assoli18 [71]
2 years ago
8

3. (05.04 MC)

Chemistry
1 answer:
Alex73 [517]2 years ago
8 0

Answer:

1.10 g H2

Explanation:

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Among the groups of elements listed below, which have the same number of electrons in their outermost energy levels? C, K, Ca, R
tatyana61 [14]

Answer:

i believe its d

Explanation:

3 0
3 years ago
Read 2 more answers
What are the molecular formula of 20 elements​
baherus [9]

Explanation:

Hydrogen (H)

Helium (He)

Lithium (Li)

Beryllium (Be)

Boron (B)

Carbon (C)

Nitrogen (N)

Oxygen (O)

Fluorine (F)

Neon (Ne)

Sodium (Na)

Magnesium (Mg)

Aluminum (Al)

Silicon (Si)

Phosphorus (P)

Sulfur (S)

Chlorine (Cl)

Argon (Ar)

Potassium (K)

Calcium (Ca)

Hope this is correct and helpful

HAVE A GOOD DAY!

3 0
3 years ago
Which of the solids in the following set should you test to investigate for the effects of ANIONS on pH? Will give brainliest
Alik [6]

Answer:

KCIO

Explanation:

the only reason is because I looked online and the meaning for that is potassium hypochlorite my guy so if this is not right then I'm sorry but good luck.

3 0
3 years ago
How many neutrons does carbon 16 have.
s2008m [1.1K]
Carbon-16 has 10 Neutrons.
8 0
2 years ago
An organic compound, which has the empirical formula C12H25 has an approximate molar mass of 338 g/mol. What is its probable mol
Marta_Voda [28]

Answer:

C24H50

Explanation:

The empirical fomula's molar mass is 169.25 g/mol.

We know the molecular formula's molar mass is 338 g/mol.

338/169.25= 1.99 or approximately 2

8 0
3 years ago
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