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
kvv77 [185]
3 years ago
6

What is the charge of a potassium (K) ion?

Chemistry
2 answers:
maw [93]3 years ago
7 0

Answer:

B, the charge is +1

Explanation:

science

Svetlanka [38]3 years ago
7 0

Answer:

B. +1

Explanation:

You might be interested in
Question 14 A student dissolves 1.5g of styrene C8H8 in 225.mL of a solvent with a density of 1.02/gmL . The student notices tha
Yuki888 [10]

We must to know:

Cm = molarity = niu / Vs, when the niu = no. of moles and Vs = Volume of solution

the no. niu = mass / molecular mass of substance

molecular mass of C8H8 = 12x8+8x1 = 104 g/mol

=> niu = 1,5 / 104 = 0,0144 moles C8H8

=> Cm = 0,0144/0,225 = 0,06 mol/L

Cmm = molality = niu (C8H8) / mass of solvent (kg)

=> p = mass / V => mass (solvent) = p x V

=> 225 x 1,02 = 229,5 g solvent = 0,2295 kg solvent

=> Cmm = 0,0144 / 0,229,5 = 0,063

8 0
2 years ago
Read 2 more answers
Explain why atoms are neutral.
svlad2 [7]

Atoms are generally neutral because they have an equal amount of protons and electrons.

8 0
3 years ago
What is the nucleus of an atom split
larisa [96]
In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits<span> into smaller parts (lighter </span>nuclei<span>). Hope this helps</span>
4 0
3 years ago
Read 2 more answers
1. Express in conventional notation (no exponents) in the space provided within the
mina [271]

Answer:

a) 320: two significant figures.

b) 2,366: four significant figures.

c) 73.0: three significant figures.

d. 532.5: four significant figures.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to write each number by knowing we move the decimal places to the right as much as the exponent is, and also, we count every figure, even zeros, because they are to the right of the first nonzero digit:

a) 320: two significant figures because the rightmost zero is not preceded o followed by a decimal place.

b) 2,366: four significant figures.

c) 73.0: three significant figures, because the zero is followed by the decimal place.

d. 532.5: four significant figures.

Regards!

7 0
3 years ago
The periodic table is useful because it is organized to show many patterns and trends. What property shows a decrease moving fro
Alex73 [517]

Atomic radius

Explanation:

A decrease in moving from the bottom of Group 3 to the top of the group shows an increase in trend from top to bottom.

The atomic radius of elements increases from top to bottom and decreases from the bottom to the top.

The elements in group 3 are B, Al , Ga, In and Tl

  • Atomic radius is taken as half of the inter-nuclear distance between two covalently bonded atoms of non-metallic elements or half of the distance between two nuclei in the solid state of metals.
  • Downs a group from top to bottom, atomic radii increases progressively due to successive shells being added.
  • This compensates for the size reducing effect of the increased nuclear charge.

learn more:

Atomic radii brainly.com/question/5048216

#learnwithBrainly

3 0
3 years ago
Other questions:
  • Methylpropane (complete and condensed structural formulas)
    5·1 answer
  • Which of the following pairs of atoms do NOT exhibit a covalent bond?
    10·1 answer
  • Which of the following has the least resistance to electric flow? metal
    12·1 answer
  • After decaying for 48 hours, l/16 of the original mass of a radioisotope sample remains unchanged. What is the half-life of this
    9·1 answer
  • One cubic meter of an ideal gas at 600 K and 1000 KPa expand to five times its initial volume as follows:
    11·1 answer
  • If the same quantity of heat is added to both a 2-liter and a 4-liter container of water, the temperature change for water in th
    11·1 answer
  • The last column of the periodic table contains the noble gases, elements that do not easily form chemical bonds.
    9·1 answer
  • Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions tha
    5·1 answer
  • Whats the number of moles of O2(g) needed to completely react with 8 moles of CO(g).
    12·1 answer
  • What’s the Difference between attractive forces and ionic/covalent/metallic bonds
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!