1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nonamiya [84]
2 years ago
10

Help!! Hurry!! I will mark brainliest if you get it correct. NO SPAM!!!!!!

Chemistry
2 answers:
Lelechka [254]2 years ago
6 0

Answer:

216/84 Po + 4/2 He a

Explanation:

Ahat [919]2 years ago
3 0

Answer:

Problem: Polonium-210, 210Po, decays to lead-206, 206Pb, by alpha emission according to the equation 21084Po → 20682Pb + 42He

Explanation:

You might be interested in
One mole of copper equals about how many atoms?
Arlecino [84]

One mole of copper equals 6.02 × 10^23 atoms. The answer is letter C. This follows the Avogaro’s law wherein 1 mole of a substance is equal to 6.02 x 10^23 atoms, formula units or molecules. This is applicable to all substances. 

8 0
3 years ago
Read 2 more answers
Formula of a substance in water is followed by what symbol
snow_lady [41]
The substance is followed by H2O
8 0
3 years ago
Write this number using scientific notation:<br> 0.000735
bixtya [17]
0.000735 in scientific notation is 7.35 x 10^-4
5 0
2 years ago
Jati has a sample of a solid.Suggest how he could find out weather the solid is a pure substance or a mixture of substances?
Vsevolod [243]

Answer:

The melting point range of a substance is the temperature range from which the first crystal starts to melt, to the temperature at which the last crystal finishes melting. An impure substance is a type of mixture, so melting points can be used to find out if a substance is pure or impure.

pls mark brainiest

Explanation:

5 0
2 years ago
How do you convert <br> 95gFe= molFe
frosja888 [35]

Answer:

is it some kind of code??...........

7 0
2 years ago
Other questions:
  • What moves across axons?
    5·2 answers
  • Help me please! Will give Brainly.
    11·1 answer
  • A molecular biologist measures the mass of cofactor a in an average yeast cell. the mass is 41.5 pg . what is the total mass in
    12·1 answer
  • A permanent magnet can affect:
    6·1 answer
  • What comes right before the "analyzing the data" step of the scientific
    14·1 answer
  • How much heat will be given off when 1500 g of water cools down by 20 C? please help and explain:)))
    12·1 answer
  • Penny has a pencil that is 19 cm long. How long the pencil In inches
    6·2 answers
  • HELP ME PLEASE. no links.
    15·1 answer
  • Jwjajajahwhab a a skwiwiwiahah​
    7·2 answers
  • Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of h2c2o4 and h2o in th
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!