Where in the Bible does it say that God is a jealous god?

Answer 1

In the King James version

the phrase - jealous god - appears 6 times

1. Exo 20:5 Thou shalt not bow down thyself to them, nor serve them: for I the LORD thy God am a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth generation of them that hate me;
2. Exo 34:14 For thou shalt worship no other god: for the LORD, whose name is Jealous, is a jealous God:
3. Deu 4:24 For the LORD thy God is a consuming fire, even a jealous God.
4. Deu 5:9 Thou shalt not bow down thyself unto them, nor serve them: for I the LORD thy God am a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth generation of them that hate me,
5. Deu 6:15 (For the LORD thy God is a jealous God among you) lest the anger of the LORD thy God be kindled against thee, and destroy thee from off the face of the earth.
6. Jos 24:19 And Joshua said unto the people, Ye cannot serve the LORD: for he is an holy God; he is a jealous God; he will not forgive your transgressions nor your sins.

and there is also this:

• Nah 1:2 God is jealous, and the LORD revengeth; the LORD revengeth, and is furious; the LORD will take vengeance on his adversaries, and he reserveth wrath for his enemies.