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
natulia [17]
3 years ago
9

State two similarities between the modern day periodic table and Mendeleev’s table.

Chemistry
1 answer:
Marat540 [252]3 years ago
6 0
Arranged in groups and periods.
Group 1 in the same place.
You might be interested in
Percent Composition and Determining Empirical And Molecular Formulas
raketka [301]

Answer:

% comp. H = 2.8%, % comp. Cl = 97.2%

Explanation:

HCl mass = mass of H + mass of Cl

HCL mass = 1.00794 + 35.453 = 36.46094

% comp. of H = 1.007694 / 36.46094 x 100 = around 2.8% (2.76376308455)

% comp. of Cl = 35.453 / 36.46094 x 100 = around 97.2% (97.2355622208)

3 0
2 years ago
Heat energy is transferred on Earth by the processes of convection, conduction, and radiation. How does heat energy cause materi
lana66690 [7]
I think it will be D or B but my mine answer is D
5 0
3 years ago
What amount of heat is produced during the combustion of hexane if the temperature of the calorimeter increases by 4.542 k?
Flauer [41]

Answer:

the answer is 85.66

Explanation:

5 0
2 years ago
What is the salt that is produced when ammonia (nh3) and hydrochloric acid (hcl) react together?
puteri [66]
NH4CI or ammonium chloride
7 0
3 years ago
5. Which of the following elements will have a charge of 4+ or 4- as an ion?
hjlf

Answer:

The answer would either be Carbon or Silicon.

Explanation:

8 0
3 years ago
Other questions:
  • A bottle of wine contains 9.81 grams of C2H5OH, dissolved in 87.5 grams of water. The final volume of the solution is 100.0 mL.
    7·1 answer
  • Radical chlorination of pentane is a poor way to prepare 1-chloropentane, but radical chlorination of neopentane, (CH3)4C, is a
    12·1 answer
  • 12 +1<br><br> C<br><br>6<br><br><br>How many protons, electrons, and neutrons are there
    13·1 answer
  • Bronze is an alloy, which is what form of matter?
    8·2 answers
  • The mass of an egg is approximately 57 g. What is the mass of 3 dozen eggs?
    15·2 answers
  • How many moles of magnesium oxide are formed if you burn a 2.3 mol sample of magnesium ribbon in the air? You must show ALL work
    8·1 answer
  • Write 15 ways in which energy can be transform from one place to another​
    11·1 answer
  • 4. The radius of a hydrogen atom is 37 pm (1pm 10"m). How many hydrogen atoms lined up side to side would it take to make 1.00 i
    7·1 answer
  • 2 points
    5·1 answer
  • More than half the total present volume of ocean water resides in what ocean?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!