No. god does not have a race, or place of birth, as he is omniscient.
The Israelite's believed that the giving of the commandments reaffirmed their covenant with god
God gave it.
Egypt
Monotheism
Abraham
Very much so. Israelite existence was based upon the covenant with God. See also:What is God like?The covenantIsraelite society
moses
Because the bible says god chose the Hebrew people as his people.
God chose the Israelites as you see they were his chosen people. And they would not loose a single war.
The Israelites believed that the covenant made with God at Mount Sinai, which established them as God's chosen people and laid out the guidelines for their relationship with Him, was reaffirmed by the giving of the Ten Commandments. The Ten Commandments were seen as a key part of this covenant, outlining the moral and ethical principles that the Israelites were expected to uphold.
A pillar of fire at night, and a pillar of cloud during the day
Because they understood that the Ten Commandments are the word of God and that obeying God is the central goal of life.