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Vesna [10]
2 years ago
12

An atom with the same number of protons and electrons has charge of

Chemistry
1 answer:
xz_007 [3.2K]2 years ago
6 0

Answer:

Explanation:

0

All the charges of the protons are cancelled out by all the charges on the electrons.

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Which of the following describes metallic character on the periodic table? Question 1 options: A) It increases as you move right
Ilia_Sergeevich [38]

Answer:

D

Explanation:

Metallic character decreases as you move across a period in the periodic table from left to right. This occurs as atoms more readily accept electrons to fill a valence shell than lose them to remove the unfilled shell. Metallic character increases as you move down an element group in the periodic table. This is because electrons become easier to lose as the atomic radius increases, where there is less attraction between the nucleus and the valence electrons because of the increased distance between them.

3 0
2 years ago
PLS ANSWER THANK YOUU
icang [17]

Answer:

Chicken Noodle Soup

Explanation:

The rest do have other things in them but are dissolved unlike the chicken noodle soup.

Hope this Helps!!

:D

8 0
2 years ago
What mass of calcium carbonate is produced when 250 mL of 6.0 M sodium carbonate is added to 750 mL of 1.0 M calcium fluoride
Savatey [412]

<u>Given:</u>

Volume of Na2CO3 = 250 ml = 0.250 L

Molarity of Na2CO3 = 6.0 M

Volume of CaF2 = 750 ml = 0.750 L

Molarity of CaF2 = 1.0 M

<u>To determine:</u>

The mass of CaCO3 produced

<u>Explanation:</u>

Na2CO3 + CaF2 → CaCO3 + 2NaF

Based on the reaction stoichiometry:

1 mole of Na2CO3 reacts with 1 moles of Caf2 to produce 1 mole of caco3

Moles of Na2CO3 present = V * M = 0.250 L * 6.0 moles/L = 1.5 moles

Moles of CaF2 present = V* M = 0.750 * 1 = 0.750 moles

CaF2 is the limiting reagent

Thus, # moles of CaCO3 produced = 0.750 moles

Molar mass of CaCO3 = 100 g/mol

Mass of CaCO3 produced = 0.750 moles * 100 g/mol  = 75 g

Ans: Mass of CaCO3 produced = 75 g

7 0
3 years ago
Which of the following types of radiation can be shielded by a piece of paper or fabric? (3 points)
RUDIKE [14]

Answer:

alpha rays

Explanation:

The alpha rays has the minimum penetration power.

7 0
2 years ago
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This is a material that transmits most of the light that strikes to pass through and only a small amount of light is reflected o
inn [45]

Answer:

Optically Transparent

7 0
3 years ago
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