Answer:
Patter 1: Ionization Energy Decreases going down a group
Pattern 2: Ions tend to gain/lose the least amount of electrons
Take oxygen, for example. Oxygen has 8 electrons. To become like a noble gas it could either gain two to become like neon or it could lose six to become like helium. So what will oxygen do—gain two or lose six? As a general rule, atoms will gain or lose the fewest number of electrons possible.
Explanation:
Answer: Zirconium [Kr]4d :)
Explanation:
The name of the disaccharide above is sucrose
<h3>What are disaccharides?</h3>
Disaccharides are substances which are composed of two molecules of simple sugars or monosaccharides linked to each other.
Below are some examples of disaccharides:
- Sucrose
- Maltose
- Lactose
- Cellobiose
So therefore, the name of the disaccharide above is sucrose
Learn more about disaccharides:
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Answer:
= 2.659 g NaCl
Explanation:
Molarity of a substance is given by the formula;
Molarity = moles/Volume in liters
Thus;
Number of moles = Molarity × volume in liters
= 1.3 M × 0.035 L
= 0.0455 Moles
But, the molar mass of NaCl is 58.44 g/mol
The mass of NaCl is therefore;
= 0.0455 g × 58.44 g/mol
<u>= 2.659 g NaCl</u>
A gas with more kinetic energy exerts more pressure.
Explanation:
A gas that has more kinetic energy has faster particles movement. When these molecules move at a faster speed, they exert more pressure on the surface with which they collide.
Here, molecular speed of gas that exerts 1.0 atm of pressure is less than that which exerts 1.5 atm of pressure.
Kinetic molecular theory states that molecules in a gas are continuously in motion show elastic collisions.
The pressure exerted by a gas is directly proportional to the mean-square velocity of gas molecules.