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eduard
3 years ago
10

Can someone helpful answer the question please?

Chemistry
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

type of surface

Explanation:

The independent variable is the variable that doesn't depend on anything else. The dependent variable would be the time in seconds because that depends on the independent variable which is the type of surface.

hope this helps :)

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Do valence electrons show a repeating or periodic pattern
PolarNik [594]

Yes

Explanation:

Valence electrons on the periodic table of elements shows a repeating or periodic pattern. There is a noticeable pattern that can be deduced from the valence electrons in the orbitals of atoms.

    Valence electrons are the electrons in the outermost shell of an element

The periodic table arranges elements based on their atomic numbers. This number denotes the number of protons or electrons an atom contains.

  • The table is divided into groups which are the vertical columns into which elements are classified.
  • The horizontal rows are called periods.
  • A period begins with one valence electron and ends with an atom having complete outer shell structure of an inert gas.
  • Down a group the valence electron is the same. The group number denotes the number of valence electrons in a group. Group 1 has just one valence electron in their outermost shell.

Learn more:

Valence electrons brainly.com/question/12580690

Periodic table brainly.com/question/2014634

#learnwithBrainly

8 0
3 years ago
Light can travel through outer space from the Sun to the Earth. This shows that
Pavlova-9 [17]

Answer:

that light is on the electromagnetic spectrum

Explanation:

this is because In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. In this sense, gamma rays, X-rays, microwaves and radio waves are also light. Like all types of EM radiation, visible light propagates as waves. However, the energy imparted by the waves is absorbed at single locations the way particles are absorbed. The absorbed energy of the EM waves is called a photon, and represents the quanta of light.

6 0
3 years ago
Read 2 more answers
Calculate the molecular mass of the element
marta [7]

Answer:

Na2SO4

2×23 + 32 + 4×16

46 + 32 +64

=142g

4 0
3 years ago
How many valence electrons do the halogens have
gladu [14]
8 they have eight :))))))))
7 0
3 years ago
Explain the difference between oxygen-8 and oxygen-12
kkurt [141]
Here, the number of protons are different. As they have different atomic numbers, it would be: "Isobars"

Hope this helps!
6 0
3 years ago
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