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ki77a [65]
3 years ago
10

Isotopes of the same element have different numbers of protons electrons neutrons

Chemistry
1 answer:
MrRa [10]3 years ago
6 0

Answer:

Protons and electrons

Explanation:

They have a different number of neutrons giving them a different atomic weight while having the same charge

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If an atom has an atomic number of 6 and and abdomens mass of 12 how many electrons does it have
Basile [38]
Atomic number refers to the proton number of the atom itself. Number of electrons in an atom (an atom that is not reacted with any other molecules / Just the atom alone), is the same as the number of protons, because each electron has 1 negative charge, and each proton 1 positive charge, where they cancel out on each other to become a neutral charge.

So, when atomic number is 6, proton number is also 6, and number of electrons will also be 6 in that atom.

Hope this helps! :)
5 0
3 years ago
Large crystals are made from the slow cooling of magma. <br> a. True<br> b. False
Step2247 [10]
I would have to say the answer is a. True.
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3 years ago
What is the difference between a physical and chemical change? From what I know a chemical change modifies the atoms of an objec
blsea [12.9K]
Physical change: a change in which no new substances are formed. the form of the substance is changed but not it's chemical composition (ice melting, bread toasting)

chemical change: any change that results in the formation of new chemical substances. this type of change modifies molecules and atoms by making and breaking the bonds between atoms! (iron rusting, gas burning)

so basically a physical change just changes the appearance of a substance, but a chemical change changes the makeup on a molecular level. i hope this helps you out!
6 0
2 years ago
What is the pH of a 0.222 M acetic acid solution?
Oksi-84 [34.3K]

pH=2.7

<h3>Further explanation</h3>

Acetic acid = weak acid

\tt [H^+]=\sqrt{Ka.M}

Ka = acid ionization constant

M = molarity

Ka for Acetic acid(CH₃COOH) : 1.8 x 10⁻⁵

\tt [H^+]=\sqrt{1.8\times 10^{-5}\times 0.222}\\\\=0.001998=1.998\times 10^{-3}

\tt pH=3-log~1.998=2.7

7 0
3 years ago
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