All of the above. Halogens are extremely reactive. Their valency is -1 as they have 7 outer shell electrins and need 1 more to make it 8. They also react with metals to form salt. So the ans is (D)
Answer:
they move closer to each other
Answer:
An alloy is the combination of metals homogeneously.
Explanation:
Alloys can also include other elements in combination with metals e.g carbon and Iron forms steel.
Alloys find a host of application in various industries and domestic use.
Alloying of metals helps to improve the physical and chemical properties of such materials better.
Some materials are alloyed to improve their strength.
Alloying can help heat and electrical conduction of a substance.
Alloys can greatly prevent rusting and produce corrosion resistant metals.
Alloys can provide a better means for a material to be worked.
Alloys can be more durable than original materials.
Echolocation helps animals underwater communicate and locate each other
beluga whales use it
Answer: 6.3 kg m/s toward pitcher
Explanation:
