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
Fynjy0 [20]
3 years ago
9

The total number of protons plus neutrons in an atom of ⁴⁵₂₀Ca is

Physics
1 answer:
lys-0071 [83]3 years ago
6 0

Answer:

b

Explanation:easy

You might be interested in
What planet has a red surface
muminat

Answer:

Mars has a red surface the sun is solar

star so the only thing left is mars

Explanation:

Hope this helped :)

6 0
4 years ago
Read 2 more answers
What is equal between two identical light bulbs??.is it current,voltage or resistance??
daser333 [38]
Salutations!

<span>What is equal between two identical light bulbs?

Between two identical light bulbs, the </span><span>equivalence between then would be the current, as the identical bulbs would have the same brightness.

Hope I helped!</span>
4 0
3 years ago
Help please i need asap
mezya [45]

Answer:

first 2 yes 3rd one no 4th one yes last one no

Explanation:

5 0
3 years ago
Read 2 more answers
Some of three vectors which have same magnitude
stira [4]
Depends on their directions. Could be anything from zero to triple the magnitude of each one.
4 0
4 years ago
A tea kettle is warmed on an electric stove. After a while, water vapor builds inside the kettle and causes a whistle in the lid
Verdich [7]
Since the first law says energy cannot be created or destroyed, it is a great demonstration of the heat energy being used to convert the liquid inside the kettle into a gas. The matter and energy are both converted, but nothing is destroyed or created.
7 0
3 years ago
Other questions:
  • Heat is allowed to flow from the heat source of a heat engine at 425 K to a cold sink at 313 K. What is the efficiency of the he
    11·2 answers
  • When a resistor with resistance R is connected to a 1.50-V flashlight battery, the resistor consumes 0.0625 W of electrical powe
    7·1 answer
  • Is there a definite end to our atmosphere?
    15·1 answer
  • Becca paddles about from the south bank of a stream to the North Bank. She paddles at a rate of 8 mph the stream is the followin
    14·2 answers
  • An object is thrown straight up with an initial velocity of 10 m/s, and there is an air resistance force causing an acceleration
    14·1 answer
  • What is the result of a mutation during replication
    9·2 answers
  • Which of these pairs of atoms are isotpoes? (Physical Science) Pair A Pair B Pair C # protons 6 8 5 2 12 12 # neutrons 8 8 5 3 1
    15·1 answer
  • If a girl walks 6km due west changes directions and walk another 5km due north. Find her displacement in both magnitude and dire
    9·1 answer
  • 13. The
    15·1 answer
  • 13. In Section 2.2, three ways to use physical properties are
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!