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
devlian [24]
2 years ago
8

Composition of the nuclei of two atomic species A and B are given below:

Chemistry
1 answer:
Inessa [10]2 years ago
5 0

Explanation:

(a) mass number = atomic number + number of neutrons

(the atomic number is the number of protons of an element)

mass number of A = 11 + 12 = 23

mass number of B = 17 + 18 = 35

(b) +1 and -1, respectively

(c) A+ + B- → AB (the first plus sign and the minus sign are superscripts)

You might be interested in
[Then mother noticed that two children who are watching the game are sick and coughing.She told her son to keep distance from th
Andrew [12]

Answer:

in illustration 1

the mother told her son not to play with the boy having cough because it is a transferable disease which could cause him also to get sick and would get cough.

while in

illustration 2

the mother let the boy play with the boy having asthma because it is not a transferable disease which wold not affect him or any one else.

Explanation:

this is the reason

7 0
2 years ago
Read 2 more answers
1. At what temperature dose water freeze
Rus_ich [418]

Answer:

1. water will freeze at a temperature below 32 degrees fahrenheit 0 degree celsius.

2. Ice will melt at a temperature above 32 degrees fahrenheit 0 degrees celsius.

3. water boils at 212 degrees fahrenheit or 100 degrees celsius.

8 0
2 years ago
6. How will you obtain ? (a) Magnesium oxide from magnesium. (b) Silver chloride from silver nitrate. (c) Nitrogen dioxide from
Reil [10]

Answer:

a) reaction with oxygen

2mg +o2---------2mgo

b) Agno3+NaCl ----------AgCl+NaNo3

8 0
2 years ago
Please help me with this chem question, I’ll mark you brainiest if it’s right. There’s multiple answers for this one.
Kazeer [188]

Answer:

Option A. KCl (aq)

Option D. Mg(OH)₂(s

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

MgCl₂(aq) + KOH(aq) —>

In solution, MgCl₂(aq) and KOH(aq) will dissociate as follow:

MgCl₂(aq) —> Mg²⁺(aq) + 2Cl¯(aq)

KOH(aq) —> K⁺(aq) + OH¯(aq)

MgCl₂(aq) + KOH(aq) —>

Mg²⁺(aq) + 2Cl¯(aq) + 2K⁺(aq) + OH¯(aq) —> 2K⁺(aq) + 2Cl¯(aq) + Mg(OH)₂ (s)

MgCl₂(aq) + KOH(aq) —> 2KCl (aq) + Mg(OH)₂(s)

Thus, the products of the above reaction are: KCl(aq) and Mg(OH)₂(s)

Thus, option A and D gives the correct answer to the question.

8 0
3 years ago
1. 62 miles per hour into meters per second
Andre45 [30]

Answer:

99758 meters

Explanation: 1 mile=1609 meters. Just multiply 62 with 1609. Let me know if you want a conversion sheet.

8 0
3 years ago
Other questions:
  • For resonance forms of a molecule or ion, ________.
    12·1 answer
  • Something that has mass and volume; its made up of atoms
    10·1 answer
  • You check the air pressure in your car tires on Monday morning and the pressure
    7·1 answer
  • What is the [OH-] in a solution<br> with a POH of 7.86?<br> [OH-] = [?] x 10!?)
    12·1 answer
  • What forces hold network solids together?
    10·1 answer
  • A 0.4066 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl
    15·1 answer
  • N a chemical reaction the ______of reactants and products are always equal.
    7·1 answer
  • What is the best way to package and preserve a questioned document?
    7·2 answers
  • In a different investigation, a student passed a current of 0.6 A through copper
    9·1 answer
  • What is the Cassini-Huygens spacecraft? What is its mission? Describe some of its features.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!