Answer:
The first period is the shortest in the long form of periodic table
Explanation:
the long form or the modern periodic table is based on ht modern periodic law. it has 7 periods and 18 groups. this periodic table is widely used by people all over the world. the chemical and physical properties of the elements can be easily identified due to their classification into groups and periods or their position in the periodic table. the first period is the shortest in the long form of periodic table. there are two elements present, they are- hydrogen(H) and helium (He)
Answer:
Sorry I’m not rlly sure but maybe the 2nd or the last
Explanation:
I dont know but do you know da wae brudda?
Answer:
1. Comparative
2. Independent variable
3. The pH is the Dependent variable
Answer:
Noble gases
Explanation:
nobles gases have their outer energy level complete