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
disa [49]
3 years ago
8

What made Mendeleev certain that he should leave gaps in his table?

Chemistry
1 answer:
ser-zykov [4K]3 years ago
8 0

Answer:

Mendeleev left gaps in his periodic table because he knew that these elements existed, but had not yet been discovered. He believed that the elements would be eventually found and would fit perfectly into the gaps. Two such elements are Germanium and Gallium.

Explanation:

You might be interested in
What is the answer to #4
Anna71 [15]
Weight has to do with how hard gravity is pulling on it. While mass is do to with the atoms in the matter.
7 0
4 years ago
Plz help me ASAP I’ll give brainliest.
Zinaida [17]

Answer:

Ways the Sun's thermal energy can be transferred.

Explanation:

They are all heat transfer methods

6 0
3 years ago
When solutions of magnesium chloride and potassium phosphate are combined write the formula for the precipitate formed
Zielflug [23.3K]
The products will be magnesium phosphate and potassium chloride. You then have to watch a solubility chart to see which one of these is not soluable. In this case it is magnesium phosphate.
6 0
4 years ago
According to early chemists, which substances were classified as elements? A. those that could not be broken down further by phy
Musya8 [376]
B. Those who could not be broken down chemically anymore than they already were
5 0
4 years ago
Write its IUPAC name?​
Liono4ka [1.6K]

Answer:

Hello

please make sure that there is any group which is join with alkane

6 0
3 years ago
Other questions:
  • Do viruses have cell walls?
    8·1 answer
  • The rate constant of a reaction is 5.8 × 10−3 s−1 at 25°c, and the activation energy is 33.6 kj/mol. what is k at 75°c? enter yo
    7·1 answer
  • What is the mass of an object with a density of 3.4 g/mL and a volume of 500.0 mL
    6·1 answer
  • Using the Rydberg formula, calculate the initial energy level when an electron in a hydrogen atom transitions into n= 2 and emit
    14·2 answers
  • BRAINLIEST !!!!!! NEED HELP ASAP!!!! The variable that the experimenter changes is the: Question 3 options: Dependent variable I
    6·1 answer
  • Rank which beaker will dissolve first? ( 1 - means the fastest to dissolve , 3 - means the slowest to dissolve )
    8·1 answer
  • Hydrogen chloride (HCl) is added to solid sodium hydroxide (NaOH).
    11·1 answer
  • Very heavy elements such as gold and uranium are formed by
    12·1 answer
  • Can someone plz help me with this..
    12·1 answer
  • Over the past 30 years, the average temperature in a city during the month of March was 66 50F Temperatures in 2020 show the ave
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!