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Why the melting point boiling point and densities of alkaline earth metals are higher than alkali earth metals?
Alkaline earth metals do not exist , only alkali earth metals
Why are neither the alkali metals nor the alkaline earth metals found in nature?
Because these metals are very reactive and readily form compounds.
What are characteristic property of the alkaline earth metals?
they are harder than alkali metals
Why are neither the alkali metals nor the alkaline-earth metals found uncombined in nature?
Because these metals are very reactive and readily form compounds.
How does the hardness of the alkaline earth metals compared to the hardness of alkali metals?
Transition state metals include a wide variety of metals; they include iron, gold, and mercury which all have strikingly different properties (hard, soft, and liquid, for example). Nonetheless, a comparison can be made between the transition state metals and the alkali and alkaline earth metals; transition state metals are not as chemically active (some transition state metals are actually inert, such as platinum).
What are the symptoms associated with exposure to heavy metals in water?
Exposure to heavy metals in water can cause symptoms such as nausea, vomiting, diarrhea, abdominal pain, neurological issues, and in severe cases, organ damage.
Explain Trace metals Heavy metals Give examples?
Poisoning and disease can occur due to human exposure to trace quantities of heavy metals. Common trace metals include mercury (Hg), arsenic (Ar) and lead (Pb).
Name a disadvantage of ferrous metals?
They generally oxidize with exposure to the moisture in air, producing rust.
What is fanconi syndrome?
A rare disorder caused by vitamin D deficiency or exposure to heavy metals.
Do heavy metals cause autism in children?
There is no scientific evidence to suggest that heavy metals cause autism in children. Autism is a complex neurodevelopmental disorder with a combination of genetic and environmental factors contributing to its development. While exposure to heavy metals can have negative health effects, there is no direct link between heavy metal exposure and autism.
Why did Karl Scheele die?
Cumulative exposure to mercury, lead and their compounds, and other metals caused him to die
What is the least corrosive metals?
Some of the least corrosive metals include gold, platinum, and titanium. These metals are highly resistant to corrosion and oxidation, making them ideal for applications where exposure to harsh environments is a concern.
How do you get heavy metals in your body and what are the potential health risks associated with their presence?
Heavy metals can enter the body through contaminated food, water, air, or exposure to certain products. When present in high levels, heavy metals like lead, mercury, and arsenic can cause serious health risks such as organ damage, neurological issues, developmental delays, and even cancer. It is important to limit exposure to heavy metals to protect overall health.
How metals change due to exposure to the air?
Some metals, namely iron, oxidize (that is the metal loses electrons) in the presence of air. This causes a chemical change to iron oxide, which is responsible for rusting.
How does living near the sea contribute to rusting?
Near the sea exposed metals have a greater exposure to salts, which accelerate the rusting process.
Are all metals safe for humans?
No, not all metals are safe for humans. Some metals can be toxic when ingested or inhaled in high amounts, such as lead, mercury, and arsenic. It is important to be aware of the potential risks of exposure to certain metals and follow safety guidelines to minimize any negative health effects.
Can heavy metals pass through the placental barrier?
Yes, heavy metals can pass through the placental barrier and reach the developing fetus. This can lead to harmful health effects on the fetus, as exposure to heavy metals like lead, mercury, or cadmium during pregnancy can interfere with normal development and cause long-term health issues. It is important for pregnant women to avoid exposure to sources of heavy metals to protect the health of their baby.
