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ArbitrLikvidat [17]
3 years ago
12

What is Most of an atom ?

Chemistry
2 answers:
Kitty [74]3 years ago
6 0
Either protons or neutrons
masya89 [10]3 years ago
3 0

Most of an atom is where the center is called the Neutron meanwhile the  Electron and Proton are orbiting around it. That my friend is the current model of the atom. There is many other model of atom which represent a plum pudding/chocolate chip cookies.

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Please help
KonstantinChe [14]

Answer:  There are 0.5 grams of barium sulfate are present in 250 of 2.0 M BaSO_{4} solution.

Explanation:

Given: Molarity of solution = 2.0 M

Volume of solution = 250 mL

Convert mL int L as follows.

1 mL = 0.001 L\\250 mL = 250 mL \times \frac{0.001 L}{1 mL}\\= 0.25 L

Molarity is the number of moles of solute present in liter of solution. Hence, molarity of the given BaSO_{4} solution is as follows.

Molarity = \frac{mass}{Volume (in L)}\\2.0 M = \frac{mass}{0.25 L}\\mass = 0.5 g

Thus, we can conclude that there are 0.5 grams of barium sulfate are present in 250 of 2.0 M BaSO_{4} solution.

7 0
3 years ago
What is the difference between the units rem and rad?
LenKa [72]

Answer:

Rem is used to measure biological risk, and rad is used to measure absorbed radiation.

Explanation:

6 0
3 years ago
PLEASE HELP ITS VERY EASY FOR OTHER PLEASE ITS A TEST DUE IN AN HOUR PLEASEEEEEEEEEE
STatiana [176]

Answer:

I think it is three times I'm not sure

5 0
3 years ago
Read 2 more answers
Can anyone answer this ASAP I need it quick
Ne4ueva [31]

See the attached image.

8 0
3 years ago
Write at least three characteristics of acids and three characteristics of bases. These characteristics should be what makes the
ki77a [65]
Characteristics of acid

-It tastes sour
-It reacts with metals and carbonates
-It turns blue litmus paper red

Characteristics of base

-It tastes bitter
-It feels slippery
-It turns red litmus paper blue.
3 0
2 years ago
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