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How to draw a (Bohr) model of an atom. Step 1: find the element on the periodic table… Let’s try Sodium (Na). Step 2: Determine the atomic number (smaller of the 2 numbers)… So, for Sodium (Na), the atomic # is 11. The atomic # tells us 2 things: Number of protons (= 11)
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Step 1: find the element on the periodic table… Let’s try Sodium (Na)
Step 2: Determine the atomic number (smaller of the 2 numbers)…So, for Sodium (Na), the atomic # is 11. • The atomic # tells us 2 things: • Number of protons (= 11) • Number of electrons (= 11)
Step 1: find the element on the periodic table… Let’s try Sodium (Na)
Step 1: find the element on the periodic table… Let’s try Sodium (Na)
Step 1: find the element on the periodic table… Let’s try Sodium (Na)