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
liberstina [14]
3 years ago
12

2 Which particles have approximately the same mass?

Chemistry
1 answer:
Lelu [443]3 years ago
7 0
An electron has a relative mass of 0, whilst an alpha particle has a relative mass of 4
An electron has a relative mass of 0, whilst a proton has a relative mass of 1
A neutron has a relative mass of 1, whilst an alpha particle has a relative mass of 4
A neutron has a relative mass of 1, and a proton also has a relative mass of 1

You might be interested in
FAST I NEED THIS TO STUDY MY QUIZ IS TOMORROW!!!!
Elena L [17]

Answer:

The atomic number equals the charge on the nucleus. It therefore also equals the number of protons in the nucleus and also equals numerically the number of electrons in the neutral atom. The atomic number has the symbol Z.

Explanation:

make me as brain liest

4 0
3 years ago
Read 2 more answers
How much heat will be given off when 1500 g of water cools down by 20 C? please help and explain:)))
docker41 [41]

Answer:

126000J

Explanation:

From the question given, we obtained the following information:

M = 1500g

C = 4.2J/g°C

ΔT = 20°C

Q =?

Q= MCΔT

Q = 1500 x 4.2 x 20 =

Q = 126000J

7 0
3 years ago
Which subatomic particle has negligible mass and travels around outside the nucleus?
allsm [11]
The electron is a subatomic particle that has a negative charge and a negligible mass. The electron travels around out side the nucleus.

The subatomic particles that are inside the nucleus are protons and neutrons.

The answer to your question is electron. 
7 0
3 years ago
Read 2 more answers
How many solutions does the equation (3x + 7) = -4 have?<br>B. one<br>C. WO<br>D. infinitely many​
Eddi Din [679]

Answer:

Its One

Explanation:

hope it helps!

mark me brainliest :))

8 0
3 years ago
Name one of the new products formed when acids and alkalis mix?
Kruka [31]

Answer:

Water (H20)

Explanation:

When an acid combine with a base, the reaction is called neutralization and it produces salt and water. This can be seen from the reaction between HCl and NaOH as shown below:

HCl + NaOH —> NaCl + H2O

From the above equation, we see clearly that salt (NaCl) and water (H2O) are the new products form.

6 0
3 years ago
Other questions:
  • In the formation of potassium chloride, the product, KCl, has less energy than the reactants, K and Cl2. This reaction is .
    12·1 answer
  • Americium-241 is a radioactive substance used in smoke detectors. The half life of americium is 432 years. If a smoke detector i
    14·1 answer
  • Which of the following solutions will have the highest boiling point?
    8·1 answer
  • I NEED HELP FAST, BRAINLIEST! :)<br><br> Why is water a good choice of fluid in a heat exchanger?
    15·2 answers
  • How many moles of HCl are needed to react with 0.87 mol Al?
    8·1 answer
  • Explain the differences in the size of a metal or a non metal to a charged metal or a charged non metal ​
    15·1 answer
  • Express as ordinary numbers.<br> 3 x 10^0 =
    15·1 answer
  • The size of the orbital is determined by the
    15·1 answer
  • Is energy needed to break the bond? Cl2 ----&gt;2Cl-​
    7·1 answer
  • Data that is collected that is mostly numbers?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!