What is matter?, Anything that has mass and occupies space, Anything that can be seen, Anything that is made only of solids, Anything that produces energy, Matter in its simplest form is called an...., Element, Metal, Non-metal, Substance, A substance that can't be broken down into two or more simpler substances by chemical methods is...., Metal, Non-metal, Substance, Element, Name the two main categories of elements in the Periodic Table, Metals and non-metals, Acids and bases, Solids and liquids, Organic and inorganic, An aircraft is made up of materials such as......, Aluminium, paper, cardboard, and rubber, Aluminium, copper, magnesium, and zinc, Copper, magnesium, paper, cardboard, Zinc, rubber, paper, and aluminium, What happens when water is broken down into simpler substances by chemical methods?, It produces hydrogen and oxygen, It produces gold and silver, It produces copper and zinc, It produces aluminium and magnesium, How are elements with similar chemical properties organized in the Periodic Table?, They are classified together, They are placed randomly, They are classified only according to their colour, They are classified only according to their physical size, What is the reason other metals are added to pure gold when making jewellery?, To make the gold harder, To make the gold and element, To remove all of its physical properties, To make nthe gold chemically identical to water, Why is pure gold called 24-carat gold?, Because it contains 24 different metals, Because it contains only one chemical substance (gold), Because it mixed with silver and nickel, Because it has the hardest form of gold, Oxygen combines with the element silicon to form....., Steel, Aluminium, Sand, Carbon, Oxygen combines with the element hydrogen to form........, Carbon dioxide, Sand, Salt, Water, How many elements have already discovered by the scientists?, 110, 112, 113, 114, Some elements in the Periodic Table are naturally occuring, whereas more than ....... elements are man-made., 10, 20, 30, 40

Matter and Elements

さんの投稿です
印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?