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
Svetlanka [38]
3 years ago
7

The nucleus makes up blank of the mass of an atom

Chemistry
1 answer:
goldfiish [28.3K]3 years ago
8 0
The nucleus is the center of the atom where the protons and neutrons can be found.
You might be interested in
Notice that "SO4" appears in two different places in this chemical equation. SO42− is a polyatomic ion called "sulfate." What nu
vichka [17]

Answer:

3.

Explanation:

Hello,

In this case, it is convenient to write the chemical reaction as:

CaSO_4+AlCl_3\rightarrow CaCl_2+Al_2(SO_4)_3

Which balanced turns out:

3CaSO_4+2AlCl_3\rightarrow 3CaCl_2+Al_2(SO_4)_3

Thus the number that should be in front of the calcium sulfate is 3 in order to balance the reaction.

Best regards.

8 0
3 years ago
What should be included in a science conclusion
QveST [7]
A science conclusion should simply have a statement identifying whether your experiment’s aim turned out to be true or false
7 0
2 years ago
True or False? The fatal 1930 incident in Muese Valley, Belgium, was associated with leakage of toxic chemicals from a former du
Westkost [7]

Answer:

FALSE                            

Explanation:

The incident of Muese Valley occured in 1930 due to air pollution.

Muese Valley lies along the river Muese which is situated Huy and Liege, Belgium. This region was crowded with industries including steel manufacturers, glass manufacturers, explosives plants, zinc smelter, etc.

The increase number of industries and population lead to the sources of pollution. Also increase in burning of domestic coal increased pollution surrounding the area.

Air pollution became so severe at this region that people have severe  respiratory problems. Residents suffered from vomiting, retrosternal pain, coughing fits and several experienced nausea. There were fog and smog all over and many people died.

Hence the answer is FALSE.

8 0
3 years ago
2. Which is a product in the following chemical reaction? CH4 + 202 - CO2 + 2H20
irga5000 [103]

Answer:

Co2 and 2H2O are products

Explanation:

In this chemical equation, CH4 and 2O2 react with each other to create a double replacement reaction which creates CO2 and 2H20

Hope this helps!

7 0
3 years ago
PLEASE HELP ASAP MOLES TO MOLECULES
Vlada [557]

Answer:

4.77mol is the correct answer

7 0
3 years ago
Read 2 more answers
Other questions:
  • Water molecules are composed of _________
    13·1 answer
  • How many moles of KBr will be produced from 10.51 moles of BaBr2?
    15·1 answer
  • Asparagine is a polar amino acid shown here at ph 7 what is the maximum
    15·1 answer
  • What is the definition of to squeeze a gas into a smaller space
    5·2 answers
  • A student weighs an empty flask and stopper and finds the mass to be 55.844 g. She then adds about 5 mL of an unknown liquid and
    8·1 answer
  • if scientist had tried to repeat Thomson's experiment and found that they could not, would Thomson's conclusion still have been
    12·1 answer
  • Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?
    6·2 answers
  • Element X is in group 2, and element Y is in group 7, of the periodic table. which ions will be present in the compound formed w
    11·1 answer
  • Which term is used to describe all the habitats around the world?
    7·1 answer
  • “Kids and grown-ups love it so, the happy world of HARIBO!” Who does not like the dark brown liquorice and its lovely taste?! Ta
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!