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
denis23 [38]
3 years ago
14

What characteristics do atoms of argon-40, potassium-40, and calcium-40 have in common?

Chemistry
1 answer:
timurjin [86]3 years ago
4 0
⁴⁰Ar
N(e)=18
N(p)=18
N(n)=40-18=22

⁴⁰K
N(e)=19
N(p)=19
N9n)=40-19=21

⁴⁰Ca
N(e)=20
N(p)=20
N(n)=40-20=20
You might be interested in
Does alcohol affect enveloped or naked viruses more
slega [8]

Answer:

the protein capsid of naked  viruses is less susceptible to environmental .  condition

Explanation:

because the envelop is made in part of phospholipids. once the envelop is lysed ,the virus loses its functiovnal receptors and still able to infect susceptible cells.

7 0
3 years ago
What is the length of the pencil in cm?
Levart [38]

Answer:

16 cm

Explanation:

Because when you look at the ruler, it shows the length  as 16 cm

7 0
3 years ago
Which substance below exhibits the weakest intermolecular forces?
mestny [16]

Answer:

SO2

Explanation:

6 0
3 years ago
Which question would most likely be studied by a chemist?
lbvjy [14]

Answer:

fd

Explanation:

fff

3 0
4 years ago
This substance turns blue litmus paper red and reacts with metals to produce hydrogen gas?
djverab [1.8K]

Answer:

yes

Explanation:

yes

8 0
3 years ago
Other questions:
  • Given that the rate constant is 4.0×10−4 m−1 s−1 at 25.0 ∘c and that the rate constant is 2.6×10−3 m−1 s−1 at 42.4 ∘c, what is t
    11·1 answer
  • Water molecules are composed of _________
    13·1 answer
  • The average propane cylinder for a residential grill holds approximately 18 kg of propane. how much energy (in kj) is released b
    6·1 answer
  • 1. If ice is heated at a constant pressure of 0.00512 atm, it will______ . 2. If ice is heated at a constant pressure of 1 atm,
    10·1 answer
  • During STATIC ELECTRICITY to what type of objects & direction do electrons ALWAYS move to?
    14·1 answer
  • What is a mutation?
    9·1 answer
  • True or false
    15·1 answer
  • Air has
    5·2 answers
  • HCl is produced in the stomach and that he has been vomiting his stomach contents, predict the acid/base imbalance that repeated
    7·1 answer
  • Cho 8,36 gam hỗn hợp nhôm và đồng tác dụng vừa đủ với dung dịch HCl 20%. Sau phản ứng thu được 4,4622 lít khí hydrogen ở đkc và
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!