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When 10.0 mol of calcium metal is reacted with 3.4 mol of oxygen gas how much calcium oxide is produced?
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Elemental calcium and magnesium metal are shiny when they are pure if the metals you worked with were not shiny explain why this was so?
They were exposed to and reacted with oxygen in the air.
Is magnesium a metal or a non-metal when it has reacted with oxygen?
When magnesium has reacted with oxygen, it form a white powder which is neither metal nor non-metal, but is a compound. This is also known as a metal oxide.
What metal combines with 1 oxygen atom?
Magnesium. Calcium. Iron. Any metal that forms a 2 + cation.
What is the difference between the colours produced by alkali metals and calcium?
calcium is an alkaline earth metal thus has different characteristics to the alkali metals.
Is calcium a metal?
calcium is a metal
Why is there a white coating on calcium?
The white coating on calcium metal is calcium that has reacted with the oxygen in the air to form calcium oxide
Elemental calcium and magnesium metal are shiny when they are pure if the metals you worked with were not shiny explain why this was so?
They were exposed to and reacted with oxygen in the air.
Is magnesium a metal or a non-metal when it has reacted with oxygen?
When magnesium has reacted with oxygen, it form a white powder which is neither metal nor non-metal, but is a compound. This is also known as a metal oxide.
When oxygen is bonded to a metal it forms?
The oxidation of a metal produces a metal oxide. For example, calcium + oxide -> calcium oxide
Where calcium is mined?
Calcium is a very reactive metal and is always found in a reacted state in compounds where it is ionic, present as the Ca2+ ion. The best known mineral is limestone, calcium carbonate. Calcium metal is not produced commercially in great quantities, one method of production is to react calcium oxide with aluminium at high temperature, , a so-called aluminothermic reaction similar to the thermite reaction where aluminium is the reducing agent.
What bond is when oxygen is a nonmetal and calcium is metal?
Ionic
Why calcium metal dissolves in water?
calcium metal dissolves in water because as it gets put in the water, the calcium quickly bonds with the oxygen atom in H2O. so it leaves that with hydrogen, therefore, hydrogen is produced when calcium dissolves in water
When calcium metal reacts with oxygen gas in the air to form calcium oxide suppose you react 6.55 mol calcium with 4.00 mol oxygen now determine the number of moles of calcium oxide produced?
Calcium contains only one atom per molecule, while oxygen contains two. The usual reaction product from a reaction between calcium and oxygen has the formula CaO and therefore contains one atom of each element per molecule. 4 moles of oxygen provides 8 moles of oxygen atoms, so that under the conditions given, calcium is the limiting reactant, and 6.55 moles of calcium oxide will be formed.
Calcium metal reacts with oxygen gas to produce solid calcium oxide?
Correct 2 Ca + O2 ------> 2CaO
What metal combines with 1 oxygen atom?
Magnesium. Calcium. Iron. Any metal that forms a 2 + cation.
What type of bond would a calcium atom with the number 20 and a oxygen atom with number 8 form?
They would form an ionic bond. Calcium is a metal and oxygen is a non-metal, and the ionic bond is the most common way these two types of elements get together. Calcium has 2 valence electrons, which it will lose to oxygen, which has 6 and therefore needs 2. Calcium and oxygen will combine in a 1:1 ratio to form calcium oxide with the formula CaO.
Calcium metal is obtained by direct electrolysis of molten CaCl2 If a metallurgical electrolysis apparatus operates at 29.80 A how many grams of calcium metal will be produced in 60 hours?
1336.9
