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
Iteru [2.4K]
3 years ago
13

Question 2 2 points) Which of the atoms shown has an atomic number of 42 1 2 4 7

Chemistry
1 answer:
vaieri [72.5K]3 years ago
7 0

Answer:

4 is the answer

Explanation:

i am not sure for this question

You might be interested in
Please answer!
evablogger [386]
1.) A compound is a substance that originates from two or more separate elements. It shares some similarities with a mixture.

2.) A compound has quite different properties from which it was formed. It also cannot be separated easily. Compounds are formed by chemical reactions.

3.) A pure substance has a constant composition and has consistent properties. It can be a compound or an element, but its composition is constant.

Hope this helps. :)
5 0
3 years ago
A slingshot that has been pulled back but has not been let go.
Elden [556K]

Answer: Potential energy

Explanation: i hope i wasnt toooo late

3 0
3 years ago
How many moles of H2O are in 42.0 g H2O?
cricket20 [7]
(42/18.02)=2.3307mol H2O
5 0
3 years ago
Read 2 more answers
When a person is scared, the brain responds to the fear by directing the hormone adrenaline to be released. This is an example o
tangare [24]

Answer:

Adrenaline

Explanation:

3 0
2 years ago
According to the laws of physics as scientist presently understand then when every _____ is extinguished , all live in the uni
kkurt [141]

Answer:

hey listen I'll hate to take the pts and go but I have to do what a man have to do

5 0
2 years ago
Other questions:
  • How many equivalents are present in 10 g of Ca2+? <br> 1 <br> 0.5 <br> 1.5 <br> 2
    15·1 answer
  • How many liters would you need to make a 1 m solution if you have 6 mil of sodium hydroxide
    5·1 answer
  • What is the volume of 1.56 kg of a compound whose molar mass is 81.86 g/mole and whose density is 41.2 g/ml?
    5·1 answer
  • Water has a higher boiling point than expected because A. there is so much water vapor in the atmosphere. B. water molecules are
    9·2 answers
  • When the average kinetic energy of a gas is increased, the motion of the gas particles
    11·1 answer
  • What is the concentration of a solution formed by mixing 89.94 grams of cobalt (II)
    6·2 answers
  • PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....BUT U MUST TYPE EVERYTHING needed ASAP
    8·1 answer
  • Why is it true that particles in a rock lying on the group have kinetic energy and energy
    15·1 answer
  • A reaction of 100mL of 1.35 M HCl and 100mL of 1.76 M NaOH is monitored and the following
    13·1 answer
  • Oil spills are a very serious form of pollution. They severely affect marine biodiversity and coastal ecosystems. The table show
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!