A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) - B) 0 C) +
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of neutrons and protons.
A) cooking eggs B) breaking a pencil C) digesting food D) burning wood
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Valence Electrons B) Protons and Neutrons C) Protons D) Neutrons
A) density B) shape C) pH 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. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They are usually gases. D) They form negative ions with a -1 charge.
A) They are highly reactive with both metals and nonmetals. B) They are extremely rare in nature. C) a basically nonreactive. D) They form compounds with very bright colors.
A) are nonreactive B) are all metals C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) color; smell B) location; ionization C) number; mass D) mass;number
A) 8 neutrons B) 3 neutrons C) 12 neutrons D) 6 neutrons
A) Halogens B) Alkali Metals C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Halogens C) Akali D) Noble Gases
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) 4 B) 3 C) 5 D) 2
A) metals B) metalloids C) nonmetals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) according to atomic number B) According to atomic mass C) by date discovered D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass
A) nucleus B) neutrons C) protons D) electrons
A) pH B) color C) reactivity D) flammability
A) breaking B) burning C) adding dye D) crushing
A) can only be observed by changing the substance B) only can be seen in a few elements C) vary within the same element D) can be observed with senses
A) cn only be observed by changing the substance B) only can be observed in a few elements C) can be observes with the senses D) vary within the same element
A) physical B) chemical
A) chemical B) physical
A) not enough information B) it will float C) it will sink
A) kilograms B) grams C) hours D) meters
A) precise B) both accurate and precise C) nethier accurate or precise D) accurate
A) 100 B) 1,000 C) 1/1,000 D) 1/100
A) constant B) independent C) dependent D) control
A) strawberries B) growth C) fertilizer D) length of study
A) independent B) constant C) control D) dependent
A) graduated cylinder B) tongs C) beaker D) stirring rod
A) 0 B) 16 C) 13 D) 10
A) 19 B) 35 C) 17 D) 18
A) 12 B) 10 C) 14 D) 26
A) 2 B) 10 C) 18 D) 8
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 1 B) 3 C) 2 D) 4
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Democritus B) Rutherford C) Chadwick D) Thomson
A) Bohr B) Thomson C) Shrodinger and Heisenburg D) Rutherford
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Rutherford B) Dalton C) Bohr D) Chadwick
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) larger mass B) positive charge C) smaller mass D) negative charge
A) positrons B) protons C) neutrons D) electrons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 0.094g D) 24g |