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