Question 21 MarkNoble gases are high reactiveAnswerFalseCorrect Statement: Noble gases are non-reactiveView full question & answer→
Question 31 MarkMolecules combine to form atomsAnswerFalseCorrect Statement: Atoms combine to form a molecule.View full question & answer→
Question 51 MarkAll elements are artificially preparedAnswerFalseCorrect Statement: All elements are made up of a limited number of basic substancesView full question & answer→
Question 61 MarkElements are made up of compoundsAnswerFalse Correct Statement: Elements are made up of atoms.View full question & answer→
Question 81 MarkMetals reflect light and are good conductors of electricityAnswerTrueView full question & answer→
Question 91 MarkA compound is made up of just one kind of atomAnswerFalseCorrect Statement: the compound is made up of two or more elements is a fixed proportion by mass.View full question & answer→