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
Leno4ka [110]
3 years ago
13

What is the answer ?

Chemistry
2 answers:
PolarNik [594]3 years ago
6 0

Answer:

b

Explanation:

Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission.

Fantom [35]3 years ago
4 0
The answer is C Does it propaget
You might be interested in
Which of the following are considered renewable resources?
Anna007 [38]

Answer:

wind

Explanation:

you cant run out of it

6 0
3 years ago
Read 2 more answers
Calculate the lattice energy of CuBr(s) using a Born–Haber cycle.
In-s [12.5K]
The 2nd one I believe
Answer- 2nd
7 0
3 years ago
On the periodic table how many periods are there and how many columns are there
mestny [16]
There are seven periods with eighteen columns in the periodic table.
8 0
3 years ago
Complete the transmutation equation below. Assume that there is only one unknown product. Np93239→Pu94239+?
aliya0001 [1]
I have attached the answer. hopefully, i read the problems correctly. let me know if I did not.

both problems are an example of beta decays. when an atoms' atomic number is increased by one. this is symbolized with -1 e

5 0
3 years ago
What is atom ? chemistry​
Neporo4naja [7]

Answer:

atom is the smallest unit of matter that has the characteristic properties of a chemical element. 

3 0
3 years ago
Other questions:
  • a sample of copper wire with a mass of 1.659 g is heated with excess powdered sulfur until the copper has combined with the sulf
    7·1 answer
  • How many moles of UF6 would have to be decomposed to provide enough fluorine to prepare 8.99 mol of CF4? (Assume sufficient carb
    6·1 answer
  • An atom has 5 protons and 7 neutrons. What is its mass number?
    5·2 answers
  • Select all that apply.
    12·2 answers
  • Improper hot holding and improper cooling are both example of
    15·2 answers
  • HEllo i need help with reading how do i read
    9·1 answer
  • Does seeing a gas produced always mean a chemical reaction is occurring? Explain.
    8·2 answers
  • PLEASE HELP ME ASAP
    5·1 answer
  • How many protons does titanium have?
    13·1 answer
  • In a chemical reaction, mass is conserved. This means that
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!