Answer:
Ionic size increases from top to bottom within the group.
Explanation:
- Ions are formed when neutral atoms of elements gain or lose electron(s).
- The ionic radius is the distance from the nucleus of an ion to the outermost energy level.
- The ionic size or radius increases down the group as the number of energy level increases.
- Therefore, an ion of an element lower in the group will be larger than the ion of an element higher in the group.
- For example, an ion of potassium, K+, is larger in size compared to the ion of sodium, Na+ since K+ has more energy levels than Na+.
Deposits
Explanation:
Glaciers also deposits materials in new places when they melt.
- Glaciers are made up of snow flakes that has compressed through time.
- In temperate and polar regions where they are prevalent, they are powerful agents of denudation.
- They can erode, transport and deposit earth materials in places.
- When a glacier retreats by melting, it deposit some of its materials in new places.
- Most of this sediment are called tillites.
- They are made up of unsorted materials of different size grains.
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Answer: must have THE SAME number of atoms for each element
Explanation: Chemical equations must be balanced -- they must have the same number of atoms of each element on both sides of the equation. As a result, the mass of the reactants must be equal to the mass of the products of the reaction.
Explanation:
Steelmaking is the process of producing steel from iron ore and/or scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon (most important impurity) are removed from the sourced iron, and alloying elements such as manganese, nickel, chromium, carbon and vanadium are added to produce different grades of steel.
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