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
Elis [28]
3 years ago
9

Determine the missing species:

Chemistry
1 answer:
Galina-37 [17]3 years ago
5 0

Answer: 4. ^{0}_{-1}\textrm{e} and ^{0}_{1}\textrm{e}

Explanation:

a) The given reaction is ^{41}_{20}\textrm{Ca}+^{x}_{y}\textrm{X}\rightarrow ^{41}_{19}\textrm {K}

As the mass on both reactant and product side must be equal:

41+x=41

x=0

As the atomic number on both reactant and product side must be equal:

20+y=19

y=-1

^{41}_{20}\textrm{Ca}+^{0}_{-1}\textrm{e}\rightarrow ^{41}_{19}\textrm {K}

b) ^{15}_{8}\textrm{O}\rightarrow ^{15}_{7}\textrm{N}+^{x}_{y}\textrm{X}

Total mass on reactant side = total mass on product side

15 =15 + x

x = 0

Total atomic number on reactant side = total atomic number on product side

8 = 7 + y

y = 1

^{15}_{8}\textrm{O}\rightarrow ^{15}_{7}\textrm{N}+^{0}_{1}\textrm{e}

You might be interested in
Define :<br> elements found in group 17, highly reactive, and gain 1 electron to become stable
Andrew [12]
The answer to your question: 'The Halogens'
5 0
3 years ago
Read 2 more answers
True or false In the periodic table, the atomic number is found above the chemical symbol.
Gnom [1K]

Answer:

In the periodic table, the atomic number is found above the chemical symbolb is true.

3 0
3 years ago
Read 2 more answers
Which equation represents a process carried out by both plants and animals? A. 6C6H12O6 + 6O2 → 6CO2 + H2O B. C6H12O6 + 6O2 → 6C
MrRissso [65]
B and C are the only answers balanced correctly. B is Cellular Respiration and C is Photosynthesis. Both plants and animals undergo cellular respiration, so B is the answer.
5 0
4 years ago
It takes 48 minutes for 7 people to paint 7 walls.How many minutes does it take 20 people to paint 20 walks?
AVprozaik [17]

Explanation:

It will always take 48 minutes. Even if it was one thousand people to paint one thousand walls.

The point here is that it takes 48 minutes for one person to paint one wall. As long as the number of people is the same as the number of walls, it will always take 48 minutes.

5 0
3 years ago
Which TWO phrases best describe vascular tissue in plants? A. Contain cells that connect to form pipes B. Transport water and fo
Dahasolnce [82]

Answer:

A. Contain cells that connect to form pipes.

B. Transport water and food.

Explanation:

The vascular tissue is known to be conducting tissue which has more than one cell type. It is usually found in vascular plants. It is composed of xylem and phloem.

Their function is to transport fluid (like water) and other nutrients, therefore they have cells that connect to form pipes. The xylem and phloem occur together in vascular bundles in the plant organs passing through stems, leaves and roots.

8 0
3 years ago
Read 2 more answers
Other questions:
  • What 2 things make up the cell membrane?
    13·2 answers
  • A solution with a pH of _______ is highly basic.<br><br> A. 1<br> B. 4<br> C. 7<br> D. 10<br> E. 13
    11·2 answers
  • The __________________ of a solution tells how many moles of solute are present per liter.
    14·2 answers
  • Fill in the blacks on the sheet
    15·1 answer
  • Calculate the percent composition of Cr2O3
    13·2 answers
  • The data part of Lab Hydrates in Edgunuity
    13·1 answer
  • Light and radio are examples of the __________________________ or ______________________ energy form, which is ________________
    9·1 answer
  • What could you do to prepare if you lived in a coastal community?
    13·2 answers
  • How does pentene become pentane?<br>How does propene become propane?​
    10·1 answer
  • Will mark brainlist need help
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!