Answer:
ask them. it doesn't really hurt to.
Answer:
Hello
Explanation:
Can you pls tell me which language is this.... Sorry... But pls tell me it in English
Answer:
74
Explanation: Mass number = protons + neutrons
Mass number = 33 + 41
Mass number = 74
The mass number of this atom is 74
potassium group number is 1 and the period is 4