1) Choose two properties that make gold a useful element to make jewelry.  a) electircal conductor b) shiny c) sonorous d) malleable 2) Choose two properties that make gold a useful element in pronted circuits. a) sonorous b) electrical conductor c) heat conductor d) ductile 3) Which of the following are non-metals? Choose all correct answers a) zinc b) chlorine c) oxygen d) sodium e) nitrogen f) copper 4) This particle model represents..... a) a pure metal b) an alloy c) a pure non-metal 5) Which of the following statements is wrong?  a) Oxygen is found on the right side of the periodic table b) Magnesium is a metal c) Plastic is a non-metal d) Nitrogen is a non-metal 6) An element in part B of the periodic table will have the following properties......./ Choose all correct answers a) hard b) malleable c) poor heat conductor d) brittle e) sonorous f) dull 7) An element in part A of the periodic table can be useful in ..../ choose all correct answers a) respiration b) electronics c) party balloons d) fertilizers  e) construction f) jewelry 8) Bronze is useful in making statutes because it doesn't corrode easily. Bronze is... a) an alloy of iron b) an alloy of aluminum c) an alloy of copper d) an alloy of zinc 9) Which is the best particle model to represent stainless steel? a) b) c)

Metals, non metals and alloys

looja
Manusta

Edetabel

Visuaalne stiil

Valikud

Vaheta malli

Kas taastada automaatselt salvestatud ?