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