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
liraira [26]
3 years ago
9

25. Which of the following statements is true for

Chemistry
1 answer:
Sauron [17]3 years ago
3 0

Answer:

Sulfur's atomic number is 16, meaning it has 16 protons and 16 electrons. This also rules out the statement "it has 17 neutrons". This also rules out the second statement "it has more electrons than argon". Argon's atomic number is 18, telling us it has 18 electrons and 18 protons. Of course, 16 is less than 18, so argon has more. Sulfur's atomic symbol is S, not Su, which doesn't even represent an element at all. This leaves us with the last statement "it has 6 electrons on its third energy level." This is true, as Sulfur does indeed have 6 electrons filling its third energy level.

You might be interested in
g Sucrose (C12H22O11), a nonionic solute, dissolves in water (normal freezing/melting point 0.0°C) to form a solution. If some u
DIA [1.3K]

Answer:

15.4 g of sucrose

Explanation:

Formula to be applied for solving these question: colligative property of freezing point depression. → ΔT = Kf . m

ΔT = Freezing T° of pure solvent - Freezing T° of solution

Let's replace data given: 0°C - (-0.56°C) = 1.86 C/m . m

0.56°C / 1.86 m/°C = m → 0.301 mol/kg

m → molality (moles of solute in 1kg of solvent)

Our mass of solvent is not 1kg, it is 150 g. Let's convert it from g to kg, to determine the moles of solute: 150 g. 1kg/1000g = 0.150 kg

0.301 mol/kg .  0.150kg = 0.045 moles.

We determine the mass of sucrose, by the molar mass:

0.045 mol . 342 g/1mol = 15.4 g

4 0
3 years ago
4. Write down the differentiate between a. Atom and molecules​
andre [41]

Answer:

Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together.

Explanation:

Atom refers to the smallest constituent unit of a chemical element. Molecules refer to a group of two or more atoms that are held together due to chemical bonds.

7 0
3 years ago
Read 2 more answers
A chemical ____ is a process in which some substances change chemically into different substances
garik1379 [7]
Is reaction a choice?
6 0
1 year ago
Read 2 more answers
A group of students conducted an experiment to determine the effect of heat on the germination(sprouting) of sunflower seeds. Wh
pentagon [3]

what grade is this because apparently i like to know what grade it is before i solve it

3 0
3 years ago
3
Mashcka [7]

Answer:

It is 34

Explanation:

4 0
3 years ago
Other questions:
  • The existence of discrete (quantized) energy levels in an atom may be inferred from
    13·1 answer
  • What is the percentage of aluminum in aluminum oxide (al2o3?
    6·2 answers
  • BRAINLIESTTT ASAP!! PLEASE HELP ME :)
    15·1 answer
  • The trend for ionization energy is a general increase from left to right across a period. However, magnesium (Mg) is found to ha
    5·1 answer
  • The atomic mass of a atom determines by what?
    6·1 answer
  • Which type of elastomeric material has the highest viscosity?
    14·1 answer
  • PLEASE HELP!! WILL GIVE BRAINLYEST!!!
    11·2 answers
  • 2-8-6 refers to the proton configuration for sulfur.<br> True<br> Or False
    15·2 answers
  • Calculate the pOH for a solutions with a pH of 12.34. Is the solution acidic or basic?
    12·1 answer
  • 30 points! pls help me! (question is in image) explanation needed!!!
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!