25% of 20
%=100
25/100 x 20
1/4 x 20
The answer is equal to 5
True since ithave same number of electrons and protons
If you start with 40.0 grams of the element at noon, 10.0 grams
radioactive element will be left at 2 p.m. The correct answer between
all the choices given is the second choice or letter B. I am hoping that this
answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.
Answer:
hard and brittle
hope this helps you ☺️☺️
good night take care sweet dream
Answer:
The ground state electron configuration of ground state gaseous neutral tellurium is [Kr]. 4d10.