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
Veronika [31]
2 years ago
6

Which of the following are true for an element?       (i)Atomic number= number of protons + number of electrons      (ii)Mass nu

mber = number of protons+ number of neutrons      (iii)Atomic mass= number of protons= number of neutrons      (iv)Atomic number = number of protons = number of electrons​
Chemistry
1 answer:
fredd [130]2 years ago
4 0

Answer:

<em>ii</em><em> </em><em>and</em><em> </em><em>iv</em><em> </em>

Explanation:

atomic mass is the sum of protons and neutrons

protons ( postively charged) usually have the same number like electrons( negatively charged)

You might be interested in
How do the properties of elements in the same column of the periodic table compare
Alik [6]
The columns of the periodic table, also referred to as "groups" contain elements with similar reactive properties, due to these elements having a similar configuration of electrons in their outer shell.
4 0
3 years ago
A testable question is one that _____.
cestrela7 [59]

Answer:

One that “Can be answered by conducting an experiment”

Explanation:

8 0
3 years ago
Read 2 more answers
Explain why Nitrogen -17 is unstable
Yuri [45]
Has only 7 electrons so it want to bond with other elements so its very reactive and unstable. Hope this helps
4 0
1 year ago
What is the correct name for SO3?
ElenaW [278]
Sulfur Trioxide is the correct name for SO3
3 0
3 years ago
Ni is the symbol for what element?
nignag [31]
Ni is for Nitrogen.
7 0
3 years ago
Read 2 more answers
Other questions:
  • The structures within the cytoplasm of a eukaryotic cell is what
    8·1 answer
  • Which list correctly aligns the levels of organisms from the least to the most complex? A. organ → system → tissue → cell B. tis
    7·2 answers
  • Charge 3 nC is in a hollow cavity inside a large chunk of metal that is electrically neutral. The total charge on the exterior s
    9·1 answer
  • The amount of heat energy required to raise the temperature of a unit mass of a material one degree is its heat capacity.
    8·1 answer
  • 2
    13·2 answers
  • The symbol equation for combustion of a hydrocarbon is shown below. What number will go before the oxygen reactant when
    15·1 answer
  • ___1___Zn + __2___HCl → ___1___H2 + ____1__ZnCl2
    12·1 answer
  • Nitrogen gas can be prepared by passing gaseous ammonia over solid copper (II) oxide at high temperatures. If 18.1 g of Nh3 is r
    11·1 answer
  • Define sublimate with example.<br>(answer as fast as possible if you can)​
    5·1 answer
  • What is the parent chain of the following compound? a. hexane b. heptane c. octane d. nonane e. decane
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!