Biblical and Quranic narratives state. Pharaoh and his army drowned. (Exodus 14:7, II:47) Moses left the Hebrews for forty nights. He put his brother Aaron in charge of the people (Al-Baqara|2.48) On a mountain, God gave Moses a revelation of precepts for Israel to follow. God made tablets with writing on them which Moses carried back to Israel. Moses asked to see God. The people saw the fire and lightning and the mountain and were afraid. While Moses was gone, the Israelites demanded to worship an idol. They used the gold from their ornaments to construct a golden calf whom they said was the
Moses remained a long time on the mountain, some of the people feared that he might be dead, so they made a statue of a golden calf and worshiped it, thus disobeying and angering God and Moses. Moses, out of anger, broke the tablets, and later ordered the elimination of those who had worshiped the golden statue, which was melted down and fed to the idolaters. He also wrote the ten commandments on a new set of tablets. Later at Mount Sinai, Moses and the elders entered into a covenant, by which Israel would become the people of YHWH, obeying his