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
lana [24]
3 years ago
15

3. A certain atom has an atomic number of four. How many protons does it have?

Biology
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

number of protons=4

Explanation:

because atomic number is equal to the number of protons

You might be interested in
Elements are basic forms of _____?​
grin007 [14]

An element is the simplest form of matter that has a unique set of properties. Examples of well-known elements include oxygen, iron, and gold (see the figure below). Elements cannot be broken down into a simpler substance.

Explanation: Happy to help

8 0
3 years ago
Enzymes and antibodies have different functions, but both are types of ____________.
mote1985 [20]
<span>Enzymes and antibodies are functional proteins. the second one is the answer</span>
7 0
4 years ago
Cana someone give me answers if y'all know them
lawyer [7]
Well I do know the answer to question #5 is temperature
5 0
4 years ago
Water boils at 220 degrees a statement or not
3241004551 [841]
Water boils at 212 degrees farenhiet
5 0
3 years ago
Read 2 more answers
Please I help!!!!!!!!!!!!
Over [174]
1) Independent Variable- I change: the lighting or the dark vs light (Idk if I'm making sense)

Dependent Variable- data being collected: How many ants end up on either side

Hypothesis- If, then statement... Well you can make this up but if you need my help I'll help... Hope this helpsss!!
6 0
3 years ago
Other questions:
  • During interphase, tha dna in the nucleus of the cell is thin and threadlike and called_.
    11·1 answer
  • How does human evolution or natural selection related to the susceptibility of disease?
    15·1 answer
  • What is a possible benefit of regulating the process of cell differentiation?
    11·1 answer
  • 1. In your food chain above, explain why there’s an arrow pointing from your decomposer back to the plants.
    7·2 answers
  • If the mass of a material is 125 grams and the volume of the material is 24 cm3, what would the density of the material be?
    10·1 answer
  • Binary fission is a proses through witch
    6·1 answer
  • Explain how the respiratory system and the circulatory system work together to respond to your body's needs during vigorous exer
    10·1 answer
  • A student creates a diagram showing a scale representation of the planets in the solar system. Which planet would appear about f
    9·1 answer
  • PLEASE HELPPPPP I REALLY NEED ITT
    13·1 answer
  • Which drug interaction could be avoided when taking diphenhydramine and consuming alcohol?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!