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prisoha [69]
3 years ago
11

What happens when an atom crashes against another atom?

Chemistry
1 answer:
morpeh [17]3 years ago
3 0

Answer:

they combine and form one big atom

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If you had a sample containing 55 alpha particles, how many protons would be present in that sample? Show all necessary work.
arlik [135]
An alpha particle is a helium nucleus without the electrons - 2 neutrons and 2 protons.

So, all you would have to do is 2 x 55, which equals 110.

8 0
3 years ago
What is the ph of a solution with [h3o+] = 1 × 10-9 m?
FrozenT [24]
PH scale is used to determine how acidic, basic or neutral a solution is
pH can be calculated using the H₃O⁺
ph can be calculated as follows
pH = - log[ H₃O⁺]
[H₃O⁺] = 1 x 10⁻⁹
pH = - log [1 x 10⁻⁹]
 pH = 9
pH of solution is 9
7 0
2 years ago
What is the atomic number for an element whose mass number is 78,
Ann [662]

Answer:

protons = atomic numbermass number = protons + neutronsatomic number = mass number - neutrons = 78-38 = 40

Explanation:

5 0
2 years ago
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coldgirl [10]

Answer:

1.2 liters.

Explanation:

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7 0
3 years ago
Why do airbags fill evenly with gases?
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basically, the nitrogen fills the bag

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