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kondaur [170]
2 years ago
12

Based on the number of valence electrons indicated by its location in the periodic table ,which elements behavior would you pred

ict to be closest to that of potassium (k)
Chemistry
1 answer:
adelina 88 [10]2 years ago
4 0

Answer:

Na sodium or Rb rubidium

Explanation:

Because Na is present in first group all members of group 1 have 1 electron in valence shell and show similar properties.

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5 0
3 years ago
Comparing Mirrors
mote1985 [20]

Answer:

convex

convex

concave

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Explanation:

4 0
3 years ago
Read 2 more answers
What is the independent variable?
olganol [36]
X is always the independent variable
6 0
3 years ago
The activation energy for a(n) _____ is quite large and usually takes extra energy from the environment, it is normally not a na
Ira Lisetskai [31]

Answer:

The activation energy for an endothermic reaction is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process.

Explanation:

  • Endothermic reactions require absorbing energy of the surrounding mainly in the form of heat.
  • Chemical energy needs energy input to break the bonds.
  • Examples of endothermic reactions: Photosynthesis , melting of ice , and evaporating liquid water.
3 0
2 years ago
Read 2 more answers
Elemental iodine (I 2) is a solid at room temperature. What is the major attractive force that exists among different I 2 molecu
Ulleksa [173]

Explanation:

As I_{2} is a covalent compound because it is made up by the combination of two non-metal atoms. Atomic number of an iodine atom is 53 and it contains 7 valence electrons as it belongs to group 17 of the periodic table.

Therefore, sharing of electrons will take place when two iodine atoms chemically combine with each other leading to the formation of a covalent bonding.

Hence, weak forces like london dispersion forces will be present between a molecule of I_{2}.

The weak intermolecular forces which can arise either between nucleus and electrons or between electron-electron are known as dispersion forces. These forces are also known as London dispersion forces and these are temporary in nature.

thus, we can conclude that london dispersion force is the major attractive force that exists among different I_{2} molecules in the solid.

7 0
3 years ago
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