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
likoan [24]
3 years ago
13

Please help!!!!!!!!!!!!!!!!

Chemistry
1 answer:
STALIN [3.7K]3 years ago
3 0
1. Dmitri created groups of 3
2. John Newlands arranged the elements
3. Antoine Lavoisier divided them into catagories
4. Johann used patterns

hope this helped :) 
You might be interested in
Which expression is equal to the number of grams (g) in 2.43 kilograms (kg)?
Gre4nikov [31]
2.43 kilograms is equal to 2430 grams because 1 kilogram is equal to 1000 grams.
4 0
3 years ago
Read 2 more answers
How many mmHg are there in 5atm
natali 33 [55]
There is 3800 mmHg in 5 atm
7 0
3 years ago
What noble gas has the same electron configuration as the oxide ion?
Tems11 [23]
I love these type of questions :)

Final Answer: Neon
5 0
3 years ago
The following properties are either physical or chemical. Which one is different from the rest based on those two categories? (5
Yuliya22 [10]

Answer:

The following properties are either physical or chemical. Which one is different from the rest based on those two categories? We chose all of the above

4 0
3 years ago
The number of protons in an atom's nucleus determines its
Nataly [62]
Number of proton present in the nucleus determines the atomic number of an element. It determines <span>chemical properties, which is why all atoms with proton count (atomic number) 6 are carbon</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • CHEM HELP!
    14·1 answer
  • A solution that contains a lower osmotic pressure than thecytoplasm of a cell is called
    12·1 answer
  • in the reaction C5H8 ____02--8H20, what coefficient should be placed in frount of 02 to balance the reaction?
    5·1 answer
  • An unknown solution has a pH of two. How would you classify this solution?
    10·2 answers
  • What is the name of the functional group in the following compound
    5·2 answers
  • Thermal decomposition of 5.00 metric tons of limestone to lime and carbon dioxide requires 9.00 × 106 kJ of heat. Convert this e
    14·1 answer
  • This electron cloud model of aluminum has _______ energy levels with _______ electrons on its outer energy level. A) 1, 2 B) 2,
    9·1 answer
  • Look at the CHEMICAL EQUATION below...
    13·1 answer
  • At 45.0 C and a pressure of 9.9 kPa a sample of gas has a volume of 1.033 L. If the pressure is increased to 1245 kPa what will
    14·1 answer
  • 5. A sample of carbon dioxide (CO2) has a mass of 52.0 g.<br> a. How many carbon atoms are present?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!