Why are elements in group one of the periodic table (Alkali metals) so reactive?

Because they have one electron in their outer shell.

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Atomic structure: nucleus, shells and group 1 elements

Justin Isted 5 preguntas 1,0 (1 valoración)

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1What is the nucleus of an atom made up of?
1. AProtons and electrons
2. BNeutrons and protons
3. CElectrons and neutrons
2Electrons are positively charged.
1. AVerdadero
2. BFalso
3Which of these elements is in group one of the periodic table?
1. ACalcium
2. BAluminium
3. CCopper
4. DCarbon
5. EHelium
4Why are elements in group one of the periodic table (Alkali metals) so reactive?
1. ABecause they have one electron in their outer shell.
2. BBecause they're antisocial.
3. CBecause they have no nucleus.
5How many electrons can the first electron shell hold?
1. A4
2. B2
3. C16

Descripción: GCSE ICT Test sobre Sin título, creado por Justin Isted el 24/02/2015.
Autor: Justin Isted
Idioma: English
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Etiquetas: ict gcse
Valoración: 1,0 de 5 · 1 valoración
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