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
FinnZ [79.3K]
3 years ago
13

Which of the following is a radioactive element?Sodium, Fluorine,Oxygen francium

Chemistry
1 answer:
Maksim231197 [3]3 years ago
4 0

Answer:

Fluorine

Explanation:

These particles stick in the atoms and make them radioactive.

You might be interested in
Mixing magnesium and aluminum together produces an excellent lightweight material from which to make airplane parts what is this
Zielflug [23.3K]
<span>Mixing magnesium and aluminum together produces an excellent lightweight material from which to make airplane parts. This type of mixture is called an alloy. 
Alloy is a mixture of two elements, one of which is a metal. 
</span>
7 0
3 years ago
Read 2 more answers
The solubility of three compounds in water is shown in the table above. What best explains the observations shown in the table?
kotegsom [21]

Answer:

D) Lead (II) hydroxide is least soluble because the hydroxide ions in water decrease the dissociation of the ions due to the common ion effect.

Explanation:

8 0
3 years ago
Read 2 more answers
How was Bohr’s atomic model different from Rutherford’s atomic model?
Aleks04 [339]

C is the answer.

It says on the third picture that Bohr refined Rutherford's model by giving distinct orbits for the electrons with distinct radii.


3 0
4 years ago
Read 2 more answers
Which enzyme is responsible for facilitating the hydrogen bonding
jeka57 [31]

Answer:

its the polymerase

5 0
4 years ago
Which of the following has the greatest mass?
Annette [7]

Answer:

I guess one mole. of mercury

Explanation:

because mercury is denser

8 0
3 years ago
Other questions:
  • A medical lab is testing a new anticancer drug on cancer cells. The drug stock solution concentration is 1.5×10−9m, and 1.00 ml
    9·2 answers
  • A 0.307-g sample of an unknown triprotic acid is titrated to the third equivalence point using 35.2 ml of 0.106 m naoh. calculat
    14·1 answer
  • In what type of reaction or process does heat flow into the system
    7·1 answer
  • Determine the mass of 18.7ml of rubbing alcohol with a density of 0.79 g/ml?
    5·2 answers
  • True or False It is impossible for a virus to cause cancer .
    11·1 answer
  • How do you convert from Fahrenheit to Celsius temperatures
    11·2 answers
  • Please help I need a 100
    7·2 answers
  • ~I will give the brainliest~
    15·1 answer
  • 14. Aluminum reacts with a certain unknown element (element X) to form the following formula. Which group must element X belong
    7·1 answer
  • What at the three different variables in density?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!