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
Sloan [31]
3 years ago
5

SOMEONE PLS HELP ITS FOR A TEST!!

Chemistry
2 answers:
n200080 [17]3 years ago
8 0
4 is true and 5 is true
Damm [24]3 years ago
6 0

Explanation:

4=true

5. true

hope this helps. good luck with your test.

You might be interested in
How many manganese atoms are in<br> Ba(MnO4)2?
kifflom [539]

There are 2 manganese atoms are in Ba(MnO4)2.

7 0
3 years ago
Cells that identify pathogens and distinguish one from another are called
maks197457 [2]
Lymphocytes, this is the white blood cell that identifies these pathogens

4 0
4 years ago
Suggest why people used to believe that water was an element.<br>​
Murljashka [212]

It is right? or is it ice and acid at the samee timeee?

8 0
3 years ago
Consider an atom of oxygen in which the nucleus contains 8 protons and 8 neutrons. If it is doubly ionized, what is the charge o
inn [45]

Answer:

10 electrons will be present in an O2-

Explanation:

The atomic nucleus of oxygen contains 8protons and 8 neutron. It ionizes by gaining two more electrons making the total number of electrons in a doubly ionized oxygen to be 10 electrons.

7 0
3 years ago
There are three known forms of hydrogen. These forms are called (ions/copies/isotopes) of each other. Each of these forms will h
liraira [26]
Answers by order. 
Isotopes.
Protons.
Neutrons. 
7 0
3 years ago
Read 2 more answers
Other questions:
  • Deep underground, deposits of natural gas formed from _____.
    7·2 answers
  • Which of the following metals is the most reactive and why?
    11·1 answer
  • Can someone please help me with all of these questions or at least some of them? Thanks!!
    9·1 answer
  • The Kp for the reaction below is 1.49 × 108 at 100.0 °C:
    7·1 answer
  • find the density of a material given when a 5.03 g sample is place in 47.54 mL of water the water level rises to 50.78 mL
    13·1 answer
  • Hello :) for qn 3 , I got 0.01 mol but I’m not sure if it’s correct :/ I need help , thanks!
    14·1 answer
  • What happened to the salt molecules when they were added to cold water
    11·1 answer
  • NO BOTS!<br> Determine the total net force and the direction of movement for the situation.
    8·1 answer
  • What do you mean by cation and anion
    7·2 answers
  • Given that the molar mass of CO₂ is 44.01 g/mol, how many liters of oxygen is required at STP to produce 88.0 g of
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!