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
Marrrta [24]
3 years ago
11

What is the atomic number of an atom?

Chemistry
2 answers:
Darya [45]3 years ago
7 0
Answer: C) number of protons
4vir4ik [10]3 years ago
7 0

Answer:

the number of protons

Explanation:

i took the the test

You might be interested in
Three common gaseous compounds of nitrogen and oxygen of different elementary composition are known: (A) laughing gas containing
Ede4ka [16]

Answer:

Please find how these data prove the law of multiple proportions below

Explanation:

The law of multiple proportions was proposed by an English chemist called John Dalton. The law states that when two elements combine and to form more than one compound. The weights/masses of the second element in the two compounds, which combines with a fixed ratio of the first element, is in a simple whole number ratio.

In this question, Nitrogen is said to combine with oxygen to give three different compounds as follows:

A) laughing gas containing 63.65% nitrogen i.e. 0.6365g

This means that the mass of oxygen will be (1-0.6365) = 0.3635g

B) colorless gas containing 46.68% nitrogen i.e. 0.4668g

This means that the mass of oxygen will be 0.5332g

C) brown toxic gas containing 30.45% nitrogen i.e. 0.3045g

This means that the mass of oxygen will be 0.6955g

The ratios of oxygen in the three compounds is therefore:

0.3635: 0.5332: 0.6955

Divide this ratio by the smallest number (0.3635)

0.3635/0.3635 = 1

0.5332/0.3635 = 1.467

0.6955/0.3635 = 1.913

Multiply this ratio by 2, we have:

2: 2.9 : 3.8

Hence, the simple whole number ratio is 2:3:4.

This proves the law of multiple proportions that oxygen is in simple whole number ratio in the three different compounds.

4 0
3 years ago
Why do engineers use metals in making<br> electrical wires
Montano1993 [528]

Answer:

Why is copper used for most electrical wiring? All metals have some amount of resistivity to electrical currents, which is why they require a power source to push the current through. The lower the level of resistivity, the more electrical conductivity a metal has

4 0
3 years ago
Need Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Brilliant_brown [7]

Answer:

what do you need

Explanation:

6 0
3 years ago
Read 2 more answers
What is water oxidation number
-Dominant- [34]

Answer:

The formula for water is . The oxidation number of hydrogen is +1. Since there are two of them, the hydrogen atoms contribute to a charge of +2. The water molecule is neutral; therefore, the oxygen must have an oxidation number of to balance the charge.

6 0
3 years ago
sulfur combines with hydrogen to form hydrogen sulfide H2 S by single covalent bond, while it form with potassium by ionic bond​
Alex

Answer: Ions may be defined as the element that contains either positive or negative charge over them. Two types of ions are cations and anions. The outermost electrons are involved in the formation of ions.

The atomic number of sulfur is 16. Its outermost electronic configuration is K=2, L= 8, M= 6. The sulfur requres two more electrons to complete its orbit and accquire -2 charge.

Explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • Bobby's mom sets a small pot of water on the stove and lights the burner. Ten minutes later, Bobby notices small bubbles and see
    7·2 answers
  • Which characteristic is least likely to be used for predicting percent dissociation of a solid in a liquid?
    13·1 answer
  • Determine the temperature of 1.42 mol of a gas contained in a 3.00-L container at a pressure of 123 kPa.
    11·1 answer
  • Calculate the mass defect for the formation of phosphorus-31. The mass of a phosphorus-31 nucleus is 30.973765 amu. The masses o
    7·1 answer
  • Positive and Negative ions attract each-other and form chemical __________
    12·1 answer
  • cuando las particulas estan separadas una de la otra se dice que su estado de agregacion o fisico es?
    15·2 answers
  • What is the unit of measurement for the amount of electrical energy consumed during work?
    7·1 answer
  • How many moles are in 5.00 x 1024 atoms of N. Watch your significant figures.
    5·1 answer
  • Does sugar can dissolve in ccl4​
    14·1 answer
  • Where are the most greenhouse gases generated during the production of electricity?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!