Answer:
that would be 32 and then the other one would be 7,000
Answer: a) The substance is a silvery white, lustrous metal :physical property.
b) It melts at 649°C and boils at 1105°C : physical property.
c) Its density at 20°C is
: physical property.
d) The substance burns in air, producing an intense white light : chemical property
Explanation:
Chemical property is defined as the property of a substance which is observed during a reaction where the chemical composition identity of the substance gets changed.
Physical property is defined as the property which can be measured and whose value describes the state of physical system. For Example: State, density etc.
a) The substance is a silvery white, lustrous metal is a physical property
b) It melts at 649°C and boils at 1105°C is a physical property.
c) Its density at 20°C is
is a physical property.
d) The substance burns in air, producing an intense white light is a chemical property
Question 1: Fission
Question 2: Chain reaction
Question 3: Controlled nuclear fission
Question 4: Hard to find safe nuclear disposal of...
Question 5: The ionising ability of radiation to affect cell functions.
Answer:
D.) The Law of conservation of Matter
Explanation: The popcorn goes into the microwave and since matter cannot be created or destroyed the mass stays the same.