C2.1 Flashcards
Diamond is made up of only carbon atoms
True
Elements combine through chemical reactions to form compounds.
True
Diamond is a simple molecule
False - diamond is a giant lattice structure.
Graphite is in layers
True
Bases react with alkalis
False - bases react with acids.
The number of _______ and _________ is equal.
The number of protons and electrons is equal.
The charge of different atoms varies
False - the charge of any atom is exactly 0
In the nucleus of an atom there are _______ and ________.
In the nucleus of an atom there are protons and neutrons.
Around the nucleus there are _________, which have a ________ charge.
Around the nucleus there are electrons, which have a negative charge.
In the periodic table, atoms are arranged in order of their ______ number.
In the periodic table, atoms are arranged in order of their atomic number.
Atoms are made of _______, ________ and _________.
Atoms are made of protons, neutrons and electrons.
Neutrons have no electric charge. They are neutral.
True
