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Angelina_Jolie [31]
3 years ago
11

How many significant figures does 16.00 contain

Chemistry
1 answer:
VMariaS [17]3 years ago
4 0

2 is the answer because 16 is a real number

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The table compares some characteristics of two atoms.
Mademuasel [1]

Answer:

Explanation:

Atom X,

Neutron num = 4, Mass num = 7

Therefore, proton number = Mass num - Neutron num

                                           = 7 - 4

                                           = 3

Atom Y,

Neutron num = 5, Mass num = 9

Therefore, proton number = Mass num - Neutron num

                                           = 9 - 5

                                           = 4

1) False. Atom X belongs to group 3 while atom Y belongs to group 4

2) False. Atom X is in a column on the left of Atom Y

3) True. Atom X and atom Y belong to the same period two on the periodic table

4) Fasle. Atom X and Y are not isotopes because they do not have the same atomic number.

Isotopy is a phenomenon whereby atom of same element have same atomic number but different mass number

4 0
3 years ago
A cell contains the same DNA as its parent cell. This is a result of which process? mitosis meiosis gamete formation fertilizati
lesya692 [45]

Answer:

Mitosis

Explanation:

A cell that contains the same DNA as its parent cell is a product of mitosis.

  • Mitosis is a cell division process that takes place in somatic cells.
  • In meiosis a single cell divides to produce two daughter cells each having the same DNA as the parent
  • Mitosis ensures that the same DNA is found between the parent
  • Mitosis is used for repairing and production of new cells.
3 0
2 years ago
Read 2 more answers
1 What direction do<br> molecules move in?
notsponge [240]

Answer:

The majority of the molecules move from higher to lower concentration, although there will be some that move from low to high. The overall (or net) movement is thus from high to low concentration.

hope this helps!<3

3 0
3 years ago
How many moles of N2 you have in 476 L sample at STP?
aleksandrvk [35]

You have to take the 476 L and divide it by 22.4 because with Molar Volume 1 mol = 22.4L. After you divide it your answer is 21.25.

5 0
3 years ago
A ______ must be replaced after too much current in it causes it to melt.
Nezavi [6.7K]
A circuit breaker must be replaced after too much current flowing through it causing it to melt.
6 0
3 years ago
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