Matter and how it is classified Everything that surrounds us is matter. Matter is solids, liquids and gases. Matter can be divided as pure and non-pure. Elements and compounds are pure substances of matter and mixtures are non-pure substances of matter. Building unit of matter is the Atom Atoms build matter. Atom cannot be divided […]
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Using mathematics is essential when studying biology. Let’s see this bite size math problems in cell biology lesson to understand cell biology for GCSE better. Grab a pen and a paper and let’s solve this with me. GCSE – Cell Biology A cell 6 μm wide was magnified 2000 times. Calculate the size of the […]
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Making comparisons is an important aspect of your study in science It will help you with your GCSE Science assessments and in the development of your knowledge and understanding of science. When we compare two things, we bring to mind shared attributes, characteristics, or features.
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Introduction The night sky has a plethora of celestial objects that may be examined. People have been fascinated by heavenly objects since antiquity. They obtained knowledge from those items by observing them. Ancient humans used their own eyes to examine heavenly objects. Various tools were afterward utilized for this purpose. Some examples include telescopes, manned […]
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Introduction Planets revolve around the sun while rotating around their own axes. A planet’s rotational time is the amount of time it takes to spin once around its own axis. It is the length of a single day on that planet. As an example: The earth’s rotating time is 24 hours. So that is a […]
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Introduction When ancient people were admiring the stars in the night sky, they envisioned different star designs by combining them. Constellations are ancient star patterns that have been found and named recently. So far, 88 constellations have been identified. Let us look at a couple of them. Henry Norris Russell published a list of 88 […]
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What are the differences between rocks and minerals? A mineral is a single-component solid. Rock is a composite of various elements. Minerals exist naturally in the ground in the form of crystalline crystals with distinct geometrical shapes. However, rocks do not have distinct geometrical forms. Graphite, Dolomite, Feldspar, Ilmenite, Mica, and Quartz are some examples […]
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Common chemical indicators used in the laboratory are discussed in this article. They are; Phenolphthalein Methyl Orange Litmus papers pH papers
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Elements that are found on the Earth are classified as metals, non-metals, and metalloids. Out of 118 elements in the periodic table over 75% are metals. There are common properties that can be seen in metals. Each metal has its unique features as well. Metals react with other chemicals according to their capability of reacting. Here, we consider the metal reactions with air, water, and acids. Some commonly studied examples are elaborated in this article.
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The metals in the periodic table can be categorized into several groups based on their chemical properties. They are alkali metals, alkaline earth metals, transition metals, post-transition metals, lanthanides, and actinides. Here are some examples of metals belonging to each category.
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