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
Mice21 [21]
1 year ago
9

Which of the first 20 elements in a Periodic table has atoms with the greatest mass?​

Chemistry
1 answer:
Rainbow [258]1 year ago
4 0
Calcium has the greatest mass of the first twenty elements with a mass of approximately 40.08
You might be interested in
Explain how creativity can play a role in the construction of scientific questions and hypotheses.
sweet-ann [11.9K]
Scientific questions and hypotheses come up frequently while one is engaged in investigating a scientific phenomenon such  as natural geological phenomena as may occur in geological mapping in the field. For example, there may be a question does this canyon or deeply incised valley which is quite straight follow a weakness in the earth's crust like a major fault or the direction of bedding in well bedded sedimentary rocks. In a particular topographic area, some hypotheses which may be developed is that valleys follow geological structure whereas ridges follow resistant rocks like quartzites or quartz sandstones or in the ocean, points or capes may represent resistant quartz sandstones and bays may represent weak soft shales recessively weathering
4 0
3 years ago
What is definition "scientific question"?
Lemur [1.5K]

Answer:

A scientific question is basically a question that can lead to a hypothesis to help us figure out the observation in science. I hope this helps you

4 0
2 years ago
Read 2 more answers
What do the individual spheres represent in the model!
Trava [24]

Answer:

the individual atom in the molecule

Explanation:

In chemistry, the ball-and-stick model is a molecular model of a chemical substance.  Invidual spheres there represent atoms in the molecule. The bigger atomic number the atom has, the larger diameter of the spheres this atom has in this model.

I hope this answer will help you. Have a nice day !

5 0
2 years ago
Howtocalculatethevolumeofcarbondioxideproducedwhen400gofmarblewereats.t.p<br>​
lys-0071 [83]

Answer:

so 0.15 moles X 22.4 dm3/mole=3.36 dm3. Next we find the moles of hexane combusted, and then the moles of CO2. Finally, we find the volume of CO2 using the fact that at STP, 1 mole of gas = 22.4 dm3.

3 0
3 years ago
White light, which consists of all frequencies, forms which type of spectrum?
malfutka [58]
Visible light spectrum.

The visible light spectrum is part of the electromagnetic radiation spectrum
5 0
3 years ago
Other questions:
  • Consider two equal size rooms connected by an open door. One room is maintained at a higher temperature then the other one. Whic
    6·1 answer
  • When you ride a bicycle,when is friction helpful and not helpful
    9·2 answers
  • Please help fast!!
    12·2 answers
  • A student is asked to balance an equation by using the half-reaction method. He determines the two half reactions as shown below
    7·1 answer
  • 2. Using the following data, calculate the average atomic mass of magnesium (give your answer to the nearest
    9·1 answer
  • Balancing chemical equation ]
    15·1 answer
  • Explain how deep ocean currents form.
    9·1 answer
  • How is the kinetic energy of molecules changing when the molecules move faster?
    10·1 answer
  • A house is built with a granite countertop. The heat capacity of the countertop is 158.5 kJ/°C. A hot pan of water is placed on
    9·1 answer
  • What is the smallest whole-number coefficient for h₂s when the equation h₂s mno₄⁻ → mn²⁺ so₄²⁻ is balanced in acidic solution?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!