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
Zarrin [17]
3 years ago
11

What is the charge on an ion with 21 protons, 30 neutrons, and 18 electrons.

Chemistry
1 answer:
Elis [28]3 years ago
5 0

Answer:

3+

Explanation:

Ignore neutrons.

Protons are positive and electrons are negative. To find a charge, it is protons minus electrons. In this atom, there are 21 protons and 18 electrons

21-18=3

Positive 3

You might be interested in
What determines the order of the elements in the modern periodic table ?
Novay_Z [31]
The last electron on the outer most shell. or d oder of dere atomic no
7 0
3 years ago
Which of the following will increase the rate of disolving?
Fantom [35]

Answer:

I have no idea bro

Explanation:

I feel you

3 0
3 years ago
How do minerals affect igneous rock formations?
wariber [46]
Mineral composition affects the classification of igneous rock. in simplified classification, igneous to is are classified by the type of feldspar present, by the I type a of feldspar present, or the absence of quartz. in case of neither present, then by the type of iron or magnesium present.
3 0
3 years ago
Which of the following substances is an element? A. carbon (C) B. water (H2O) C. methane (CH4) D. brass (Cu + Zn)
Sladkaya [172]
The Answer is Carbon.
8 0
3 years ago
Read 2 more answers
What are the atoms of Fe(SCN)3
Igoryamba

Answer:

55.845

Explanation:

yep

5 0
2 years ago
Other questions:
  • The equation below shows hydrogen reacting with oxygen to produce water. 2H2 + O2 2H2O If 16 mol of oxygen were reacted with exc
    13·2 answers
  • A package of aluminum foil contains 50. ft2 of foil, which weighs approximately 8.5 oz . aluminum has a density of 2.70 g/cm3. w
    14·1 answer
  • Which requirement is essential for any of the chemical process that occur in cells to take place
    9·1 answer
  • Explain which of benzene or naphthalene molecule would have equivalent carbon-carbon bond length​
    9·1 answer
  • Which of the following equations is balanced for charge and mass?
    8·2 answers
  • Sodium chloride (table salt,) whose formula is NaCl: <br> Ionic <br> Covalent
    12·2 answers
  • Question 6
    12·1 answer
  • All rocks began as what type of rock?<br> planetary<br> igneous<br> metamorphic<br> sedimentary
    5·1 answer
  • I NEED EXPLANATIONSS!!!! Help , i have to past or my teacher will fail me .. again !!
    8·1 answer
  • Granite forms as magma cools in large underground chambers. After a very long time, the magma cools enough to crystallize into s
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!