Put the elements potassium iron bromine and krypton in order of increasing electro negativity
Answers
Answer:
K < Fe < Br < Kr
Explanation:
Given chemical elements;
Potassium
Iron
Bromine
Krypton
Problem; arrange in order of increasing electronegativity
Solution:
The electronegativity of an element measures the relative tendency with which the atoms of the element attracts valence electrons in the chemical bond.
To solve this problem, we are going to use values of electronegativity from the Pauling's electronegativity table of elements;
For;
Potassium = 0.8
Iron = 1.83
Bromine = 2.8
Krypton = 3.0
So;
K < Fe < Br < Kr
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D. the circulatory system
Answers
Answer:
The answer is D, the circulatory system.
Explanation:
I got a a on the test
Answers
Answer : Salinity tolerance
Explanation :
The important characteristics for the plants which are found in salt water wet lands is salinity tolerance.
Salinity tolerance is the salt tolerance of crops in the wet lands which gives maximum salt level that a crop can tolerate without losing its productivity.
Although it may get affected negatively at higher levels of exposure. The salt level is often measured as the soil salinity or else the salinity of the irrigated water.
Answers
Answer:
355 ml
Explanation:
because a can of soda could't hold more than that measure.
Answers
Explanation:
To find the charge gained by the solid when one electron is removed from each of its atoms, you can follow these steps:
1. Calculate the total number of electrons in 1 gram of the solid. Since there are 4 × 10^20 atoms in 1 kg, there are (4 × 10^20 / 1000) atoms in 1 gram.
2. Multiply the number of atoms in 1 gram by the charge gained by removing one electron. Each electron has a charge of approximately -1.6 × 10^-19 coulombs.
3. The total charge gained by the solid in 1 gram is the result of the multiplication from step 2.
Let's calculate it step by step:
Number of atoms in 1 gram = (4 × 10^20 / 1000) = 4 × 10^17 atoms
Charge gained by removing one electron from an atom = -1.6 × 10^-19 C
Total charge gained by the solid in 1 gram = (4 × 10^17) × (-1.6 × 10^-19) C
Now, calculate this expression to find the charge gained by the solid in 1 gram.
Final answer:
The charge gained by a solid when one electron is removed from each atom can be calculated by multiplying the charge of one electron by the number of atoms in the solid.
Explanation:
The question asks for the charge gained by a solid when one electron is removed from each atom of the solid. The charge gained by one atom can be calculated by multiplying the charge of one electron (1.602 × 10-19 C) by the number of atoms in one gram of the solid (4 × 1020 atoms/g). To find the total charge gained by the solid in 1g, we can multiply the charge gained by one atom by the number of atoms in 1g of the solid (1 mole = 6.02 × 1023 atoms).
Charge gained by one atom = 1.602 × 10-19 C
Number of atoms in 1g = 4 × 1020 atoms/g
Total charge gained by 1g of solid = Charge gained by one atom × Number of atoms in 1g
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