Which element forms an ionic bond when combined with Cl

Which procedure did early chemists use to determine which substances were elements? A. They observed the substances that made up individual atoms. B. They mixed several substances together and observed the results. C.

Sodium borohydride, NaBH4, and boron trifluoride, BF3, are compounds of boron. What are the shapes around boron in the borohydride ion and in boron trifluoride?

How do you draw the chemical structure of coconut oil?

How is a land breeze similar to a sea breeze? how do they differ

Concerns over a global dependence on fossil fuels include environmental, economic, and social consequences.

Which statements about cirrus clouds are true? Choose all answers that are correct. A. Cirrus clouds form high in the sky. B. Cirrus clouds usually mean fair weather. C. Cirrus clouds near the ground are called fog. D.

1. While cooking, if the bottom of the vessel is getting blackened on the outside. it means that (a) the food is not cooked completely. (b) the fuel is not burning completely. (c) the fuel is wet. (d) the fuel is burning completely.

Chemists use activity series to determine whether which type of reaction will occur? combustion double replacement decomposition single replacement

What is the relationship between the location of volcanoes and earthquakes? A. Volcanoes form in areas of high earthquake activity. B. Volcanoes form on the opposite coasts from where earthquakes happen. C.

If two atoms have the same atomic numbers but different mass numbers, then they can be considered atoms of the same element. True or False