chemistry falsh cards

Pregunta	Respuesta
state four properties / characteristics of metals.	strong, solid at room temperature, conductive, shiny
what are the differences between groups and periods on the periodic table?	groups are columns and periods are in rows
what is a element?	a substance made of one type of atom
what is a compound?	substances made of two or more elements which are chemically bonded together.
name a compound?	Image: f5dd121f-f6ca-4e40-a534-fa53d6db4867 (image/png)
Name two mixtures?	seawater and air
what is a mixture?	a substance made of two or more elements or compounds that are not chemically bonded together.
what is a atom	a basic particle of matter.
what is a molecule?	two or more at atoms which are chemically bonded together
name two molecules?	oxygen and carbon dioxide.
finish this equation zinc + sulphuric acids = ? + ?	zinc + sulphuric = zinc sulfate + hydrogen acid
finish this equation: Ca + ? = CaCl2 + ?	Ca + 2HCl = CaCl + H2
finish this equation: iron + oxygen = ?	iron + oxygen + iron oxide
finish this equation 2Cu + O2 = ?	2Cu + O2 = 2CuO
Finish this equation potassium + water = ? +?	potassium + water = potassium hydroxide + hydrogen
finish this equation Image: 337ad7ca-434d-4512-a035-12589427e77f (image/png)	Image: 9f82e9ea-c71f-4b2d-89c8-d1e31ac0df3d (image/png)
finish this equation Image: 821f0b4c-bc29-47c3-a608-8893215b34f3 (image/png)	Image: 0e110b50-ff7a-4dae-a684-b7023ac76ef6 (image/png)

Resumen del Recurso

	Creado por katie Dack hace más de 8 años