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crimeas [40]
3 years ago
8

Changing the number of _____ would change an atom into an atom of a different element

Chemistry
2 answers:
Kamila [148]3 years ago
8 0
Electrons - each atom has its own unique #
Marta_Voda [28]3 years ago
4 0
Changing the number or protons would change the element is an element loses an electron it becomes an ion but if it loses a proton the element its self-changes
eg. calcium has 20 protons if it loses on it becomes potassium that has 19 protons.

Hope that helps :)
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harina [27]
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6 0
3 years ago
How many grams Glycylglycine (molecular mass 132.119 grams/mole) are required to make 1 liter at 0.5 Molar concentration. If you
SOVA2 [1]

Explanation:

The given data is as follows.

        Concentration of solution = 0.5 M

        Volume of solution = 1 L

Molar mass of Glycylglycine = 132.119 g/mol

As molarity is the number of moles present in liter of solvent.

Mathematically,      Molarity = \frac{\text{No. of moles}}{\text{Volume}}

Hence, calculate the number of moles as follows.

            No. of moles = Molarity × Volume

                                  = 0.5 M \times 1 L

                                  = 0.5 mol

Therefore, mass of glycylglycine = mol × molar mass

                                                      = 0.5 mol \times 132.119 g/mol

                                                      = 66.06 g

Thus, we can conclude that 66.06 g glycylglycine is required.

8 0
3 years ago
What element forms an ion with an electronic configuration of [kr] and a –2 charge?
nekit [7.7K]
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6 0
2 years ago
Read 2 more answers
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Answer:

products and reaction

Explanation:

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4 0
3 years ago
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Answer:

A

Explanation:

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Penguins are birds and lay hard shelled eggs

5 0
3 years ago
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