A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) - B) + C) 0
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) burning wood B) cooking eggs C) digesting food D) breaking a pencil
A) Atomic Mass B) Discovery Date C) Atomic Number D) Alphabetical Order
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) color B) shape C) density D) pH
A) a total of eight neutrons and electrons. B) eight protons in its nucleus. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) neutrons. C) protons. D) protons plus the number of neutrons.
A) They are located in the left-most column of the periodic table. B) They form negative ions with a -1 charge. C) They are extremely nonreactive. D) They are usually gases.
A) They are highly reactive with both metals and nonmetals. B) a basically nonreactive. C) They are extremely rare in nature. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) In the bottom rows. B) In the middle column of the periodic table. C) On the left-most side. D) On the right side.
A) location; ionization B) number; mass C) color; smell D) mass;number
A) 6 neutrons B) 8 neutrons C) 3 neutrons D) 12 neutrons
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali Metals
A) Noble Gases B) Alkaline Earth C) Akali D) Halogens
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) 4 B) 2 C) 3 D) 5
A) metals B) metalloids C) nonmetals
A) Mosely B) Ms. Watson C) Mendleev D) Einstein
A) According to atomic mass B) alphabetically C) by date discovered D) according to atomic number
A) Atomic Mass B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic mass
A) protons B) electrons C) neutrons D) nucleus
A) color B) flammability C) pH D) reactivity
A) breaking B) crushing C) adding dye D) burning
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) can be observes with the senses C) cn only be observed by changing the substance D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) hours B) meters C) kilograms D) grams
A) precise B) accurate C) nethier accurate or precise D) both accurate and precise
A) 100 B) 1/100 C) 1,000 D) 1/1,000
A) control B) dependent C) constant D) independent
A) strawberries B) growth C) length of study D) fertilizer
A) control B) dependent C) independent D) constant
A) tongs B) graduated cylinder C) beaker D) stirring rod
A) 13 B) 10 C) 16 D) 0
A) 19 B) 18 C) 35 D) 17
A) 10 B) 14 C) 12 D) 26
A) 18 B) 8 C) 10 D) 2
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 1 B) 4 C) 2 D) 3
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Rutherford B) Democritus C) Thomson D) Chadwick
A) Thomson B) Rutherford C) Bohr D) Shrodinger and Heisenburg
A) Thomson B) Dalton C) Rutherford D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Dalton B) Chadwick C) Bohr D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electron number never changes. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) larger mass B) smaller mass C) positive charge D) negative charge
A) neutrons B) protons C) positrons D) electrons
A) 72g/ml B) 3g/ml C) 0.33g/ml D) 1.33g/ml
A) 17.5g B) 0.094g C) 10.7g D) 24g |