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yarga [219]
3 years ago
6

Sodium is a metal (Na), what makes the Neutral atom of Sodium different

Chemistry
2 answers:
Sonbull [250]3 years ago
6 0
The answer is D. What makes a neutral atom neutral is that it has an even number of protons and neutrons. If the number of protons and neutrons are unbalanced, it is now an ion.
ale4655 [162]3 years ago
4 0

Answer:

D

Explanation:

An ion is created because an atom doesn't have a balanced number of protons and electrons. A positive ion is created by an atom losing an electron and a negative ion is created by an atom gaining an electron.

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5 0
3 years ago
** will mark you brainliest if answered correctly **
lord [1]

Answer:

D. 23.9 liters

Explanation:

  • Molarity is defined as the no. of moles of solute dissolved in 1.0 L of the solution.

M = (no. of moles)solute / (V of the solution (L))

M = (mass/molar mass)NaCl / (V of the solution (L))

M = 0.03 M, mass of NaCl = 42.0 g, molar mass = 58.44 g/mol.

∴ V of the solution = (mass/molar mass)NaCl / M = [(42.0 g/58.44 g/mol)] / (0.03 M) = 23.96 L.

<em>So, the right choice is: D. 23.9 liters</em>

7 0
3 years ago
2HCl + CaCO3 → CaCl2 + H2O + CO2
zloy xaker [14]

Answer:

The amount of CaCl2 produced depends on the amount of HCl in the reaction.

Explanation:

The amount of HCl is used completelyin the reaction unlike CaCO3 which remains after reaction.

4 0
3 years ago
Just need help on this one
lys-0071 [83]

Answer:

2Cs+Sr(CrO4)-->Cs2(CrO4)+Sr

Explanation:

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7 0
3 years ago
Read 2 more answers
Complete the formula.
kap26 [50]
Mass/volume

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3 years ago
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