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
Tems11 [23]
3 years ago
7

I need help with 14 and 15 please!

Chemistry
1 answer:
Dima020 [189]3 years ago
8 0
Isotopes of an element will contain the same number of protons and electrons but will differ in the number of neutrons they contain. In other words, isotopes have the same atomic number because they are the same element but have a different atomic mass because they contain a different number of neutrons.
You might be interested in
How many nucleons are in an Iodine element? Okay
Lady_Fox [76]

Answer:

there are 74

Explanation:

3 0
3 years ago
How can you tell that a gas is a halogen? ___?
OLEGan [10]
If it is located at the second to last row of the periodic table (the halogen family), has seven electrons on it's outer shell, and has an oxidation number of -1, it is a halogen.
Hope this helps : D
8 0
3 years ago
NaOH is a strong base. Which two ions do you expect to find in a solution of NaOH?
Elena L [17]
NaOH will dissociate as Na+ and OH- in the solution.
5 0
3 years ago
List two uses of H2SO4<br>​
Ulleksa [173]
Drink water

Consume food
8 0
3 years ago
Read 2 more answers
Name the 2 fractions of petroleum which are used as fuel. Explain.
tensa zangetsu [6.8K]

Answer: kerosene, coal

Explanation:

These are renewable resources obtained from petroleum, kerosene was used in olden times to light the lamps and are still used today for lighting purposes. Coal was used in trains to produce steam( steam powered trains).

8 0
3 years ago
Read 2 more answers
Other questions:
  • A sealed, insulated calorimeter contains water at 310 K. The surrounding air temperature is 298 K, and the water inside the calo
    5·2 answers
  • In the laboratory, a student adds 50.4 mL of water to 16.5 mL of a 0.880 M hydroiodic acid solution. What is the concentration o
    14·1 answer
  • Where does the year go in a bar graph
    8·1 answer
  • Which of the following compounds is always part of an aqueous solution?
    7·2 answers
  • A solution has a pH of 2.4. What happens to the solution if the hydronium ion concentration is increased?
    10·2 answers
  • According to the kinetic theory of gases
    15·1 answer
  • Most of the elements to the left of the stair-step line in the periodic table exist as _________ in the periodic table.
    6·1 answer
  • How many moles of oxygen gas are necessary to completely react with 10.6 moles of propane? C3H8(g) + 5 O2(g) --&gt; 3 CO2 (g) +
    12·1 answer
  • An unbalanced chemical equation is shown: 2NaN3 → 2Na + N2 Which of the following statements explains why the equation is not ba
    11·2 answers
  • Which of the following statements is one
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!