What are the differences and similarity's of aluminum 26 and aluminum 27?
Al-26 and Al-27 are both isotopes of aluminum both have the same number of protons they both have the same number of electrons they have the same chemical and physical characteristics both are naturally occurring isotopes same symbol They have different, numbers of neutrons, so have different weights Al-26 is radioactive, Al-27 is not
1/2 cup butter 1 cup white sugar 2 eggs 1 teaspoon vanilla extract 1/3 cup unsweetened cocoa powder 1/2 cup all-purpose flour 1/4 teaspoon salt 1/4 teaspoon baking powder 3 tablespoons butter, softened 3 tablespoons unsweetened cocoa powder 1 tablespoon honey 1 teaspoon vanilla extract 1 cup confectioners' sugar Preheat oven to 350 degrees F (175 degrees C)Grease and flour an 8 inch square panIn a large saucepan, melt 1/2 cup butterRemove from heat, and stir in sugar, eggs, and 1 teaspoon vanillaBeat in 1/3 cup cocoa, 1/2 cup flour, salt, and baking powderSpread batter into prepared panBake in preheated oven for 25 to 30 minutesDo not overcookTo Make Frosting: Combine 3 tablespoons butter, 3 tablespoons cocoa, 1 tablespoon honey, 1 teaspoon vanilla, and 1 cup confectioners' sugarFrost brownies while they are still warm.
