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Andrej [43]
3 years ago
6

. In the symbol (4/2) He, the superscript 4 is the _________________ for helium, and the subscript 2 is the ___________________

for helium.
Chemistry
1 answer:
Tpy6a [65]3 years ago
8 0
The superscript is the atomic mass and the subscript is the atomic number
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Lelechka [254]

The reactants are A: Carbon Dioxide and water

5 0
3 years ago
How many atoms are in 3.2 moles of chromium?
-BARSIC- [3]

Hey there!

1 mole has 6.022 x 10²³ atoms.

Multiply that by 3.2 because we have 3.2 moles.

3.2 x 6.022 x 10²³

1.9 x 10²⁴

There are 1.9 x 10²⁴ atoms in 3.2 moles of chromium.

Hope this helps!

3 0
3 years ago
The type of compound that is most likely to contain a covalent bond is ________.
max2010maxim [7]
The type of substance that is most likely to contain a covalent bond is ONE THAT IS COMPOSED OF ONLY NON METALS.
Covalent bond is a type of chemical bond in which electron pairs are shared among the participating elements in order to achieve the octet form. Covalent bond is usually found among non metals.
6 0
3 years ago
Through the process of photosynthesis, _ energy is transformed into _ energy
olga nikolaevna [1]

Answer:

Radiant, chemical

Explanation:

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5 0
3 years ago
Read 2 more answers
Calculate the KE of an object that has a mass of 25kg that is moving at 5m/s2.
svp [43]

Answer:

312.5J

Explanation:

K.E=1/2*mv°2

=1/2*25*25

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4 0
4 years ago
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