Home › Courses › Rajasthan Board Class 10 (RBSE) › Chemistry › Atoms and MoleculesRajasthan Board Class 10 (RBSE) Atoms and Molecules — practice questions Explore 17 free Atoms and Molecules questions in Rajasthan Board Class 10 (RBSE) Chemistry. Open each question or exercise to read its content, reference answers and available explanation.
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CLASS10 · Chemistry · Periodic Classification — Group NamesRead the answer and worked solution → Sort: down a group, what happens? (CBSE Cl 10)Read the answer and worked solution → Match the group to its property (CBSE Cl 10)Read the answer and worked solution → Mendeleev arranged elements primarily in order of:Read the answer and worked solution → What is the valency of an element with electronic configuration 2, 8, 3?Read the answer and worked solution → How does metallic character change down a group?Read the answer and worked solution → Sodium (atomic number 11) belongs to which group and period?Read the answer and worked solution → Which trend is followed by ionisation energy across a period?Read the answer and worked solution → Which one of the following elements exhibit maximum number of valence electrons?Read the answer and worked solution → Which of the following elements would lose an electron easily?Read the answer and worked solution → Which of the following elements does not lose an electron easily?Read the answer and worked solution → Arrange the following elements in the order of their decreasing metallic character Na, Si, Cl, Mg, AlRead the answer and worked solution → Arrange the following elements in the order of their increasing non-metallic character Li, O, C, Be, FRead the answer and worked solution → What type of oxide would Eka-aluminium form?Read the answer and worked solution → Three elements B, Si and Ge areRead the answer and worked solution → Which of the following elements will form an acidic oxide?Read the answer and worked solution → On moving from left to right in a period in the periodic table, the size of the atom.Read the answer and worked solution → Worked practice questions CLASS10 · Chemistry · Periodic Classification — Group Names Read exercise and reference answers Matching pairs Left Group 1 Right Alkali metals Left Group 2 Right Alkaline earth metals Left Group 17 Right Halogens Left Group 18 Right Noble gases Left Mendeleev Right Father of modern periodic table Left Period Right A horizontal row in the periodic table Instructions Match each periodic-table term to its description. Open this exercise →
Sort: down a group, what happens? (CBSE Cl 10) Read exercise and reference answers Items Item Atomic size Answer left Item Metallic character Answer left Item Number of shells Answer left Item Ionisation energy Answer right Item Electronegativity Answer right Item Non-metallic character Answer right Categories Left Increases Right Decreases Open this exercise →
Match the group to its property (CBSE Cl 10) Read exercise and reference answers Matching pairs A Group 1 B Alkali metals, 1 valence electron A Group 2 B Alkaline earth metals, 2 valence electrons A Group 17 B Halogens, 7 valence electrons A Group 18 B Noble gases, complete outer shell Open this exercise →
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