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