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