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riadik2000 [5.3K]
3 years ago
11

Why do atoms always have an overall neutral charge?

Chemistry
2 answers:
svetoff [14.1K]3 years ago
7 0
Because atoms generally have the same amount of positives (protons) as negatives(elections)
PSYCHO15rus [73]3 years ago
5 0
This means the nucleus of an atom is always positively charged
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mihalych1998 [28]

Answer:

Here is your answer mate :D

3 0
3 years ago
. What is the first element on the periodic table?
melamori03 [73]

Answer:

The first element in the periodic table is hydrogen.

Explanation:

Hydrogen has an atomic number of one, making it the first element of the periodic table. The atomic number of an element is just the number of protons in the nucleus, so hydrogen has one proton. The neutrons and electrons do not affect the atomic number. After hydrogen with one proton comes helium with two, lithium with three, beryllium with four, and so on.

6 0
3 years ago
What is the mass of 3.75 moles of NaCI? ( Na= 22.99g/mol, CI= 35.45 g/mol)
seraphim [82]

Answer:

219.15 grams

Explanation:

What is the mass of 3.75 moles of NaCI? ( Na= 22.99g/mol, CI= 35.45 g/mol)

Mole of Na = 22.99g

Mole of Cl = 35.45g

For NaCl we have ratio of 1:1, so we have 1 Na for every Cl

So we just add the two together to get the molar mass of NaCl which is

22.99 + 35.45 = 58.44g/mol

And we know we have 3.75 moles of NaCl so we multiply that by the molar mass of NaCl to get our answer

3.75 x 58.44 = 219.15grams

6 0
3 years ago
To satisfy the octet rule in an ionic reaction, selenium must:
4vir4ik [10]

Answer:

Answer A

Explanation:

because it had 6 electrons in the last shell so it needs two electrons to reach 8

7 0
2 years ago
Read 2 more answers
I jst got the answer for you that is
gladu [14]
What do you mean? Is this for anyone stuck on the same question cause I don’t think that’s how it works lol
8 0
3 years ago
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