Register
Which of these pairs of elements have the same number of valence el O Hydrogen (H) and helium (He) O Sodium (Na) and potassium (K) O Carbon (C) and oxygen (0) O Boron (B) and beryllium (Be)
101,000 views
38 votes
38 votes
Which of these pairs of elements have the same number of valence el

O Hydrogen (H) and helium (He)
O Sodium (Na) and potassium (K)
O Carbon (C) and oxygen (0)
O Boron (B) and beryllium (Be)

User Swanand Pangam
by
2.5k points

1 Answer

26 votes
26 votes
Sodium (Na) Potassium(K)
User Chrisbulmer
by
3.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

This is referring to the Crucible: What is the dispute between John Proctor and Thomas Putnam? What does this dispute foreshadow? Please and thank you!
PLEASE HELP I AM GIVING ALOTTT OF POINTS Which stage of the Hero's Journey do you see the most in Percy Jackson Ch. 7 The Lightning Thief also give a piece of evidence to support your thinking.
Choose the answer that completes the sentence below Dyslexic people have trouble reading and understanding text, ______ they often develop ways to cope with dyslexia A. so B. after C. for example D. otherwise
Exercise 1: Choose the best answer A, B or C: 1.My mother used to tell me stories_______________ I went to bed. A.since B.until C.before 2.You better take the keys_______________________ I’m not out. A.
Describe the reaction of the Three Musketeers when Madame Bonacieux dies. Do they dismiss D'Artagnan's sorrow or respect it? Does their reaction seem unusual for tough men such as themselves? Write at
Link Copied!