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Liula [17]
3 years ago
13

Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4

nucleus
Chemistry
1 answer:
alexira [117]3 years ago
3 0
I think its a half life.
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Sadiq repeated the experiment by adding sulphuric acid to magnesium carbonate. Write the word equation for this reaction below:
anygoal [31]

Answer:

Sulphuric acid + Magnesium Carbonate → Magnesium sulphate + carbon dioxide + water

Explanation:

Sulphuric acid + Magnesium Carbonate

The products are;

Magnesium sulphate, carbon dioxide and water

MgCO3 (s) + H2SO4 (aq) → MgSO4 (aq) + CO2 (g) + H2O (l)

Word Equation;

Sulphuric acid + Magnesium Carbonate → Magnesium sulphate + carbon dioxide + water

7 0
3 years ago
How many atoms are in NaN(OH)3
Amiraneli [1.4K]

Answer:

Na----1

N-----1

O-----3

H-----3

3+3+1+1 =8

There are 8 atoms in that compound.

6 0
3 years ago
Which analogy best represents a saturated solution?
Alenkasestr [34]
"players on a field that has a maximum of 15 players" would be the best option from the list regarding an analogy that best represents a saturated solution
<span>an empty baseball field.</span>
4 0
3 years ago
How many valence electrons are represented in the following electron configuration? 1s²2s²2p63s²3p4 2 4 6​
Svetlanka [38]

Answer:

we add only the the same highest enegy levels :3s&3p=2+4=6

7 0
2 years ago
explain why temperature is not as hot during the summer when a city is on a body of water (for example San Diego vs. Imperial Va
natita [175]

Answer:

because the water brings a cool breeze when the wind blows

Explanation:

4 0
3 years ago
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